55350880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 149415840

約数和(自身を除く): 94064960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 89, 92, 104, 115, 130, 160, 169, 178, 184, 208, 230, 260, 299, 338, 356, 368, 416, 445, 460, 520, 598, 676, 712, 736, 845, 890, 920, 1040, 1157, 1196, 1352, 1424, 1495, 1690, 1780, 1840, 2047, 2080, 2314, 2392, 2704, 2848, 2990, 3380, 3560, 3680, 3887, 4094, 4628, 4784, 5408, 5785, 5980, 6760, 7120, 7774, 8188, 9256, 9568, 10235, 11570, 11960, 13520, 14240, 15041, 15548, 16376, 18512, 19435, 20470, 23140, 23920, 26611, 27040, 30082, 31096, 32752, 37024, 38870, 40940, 46280, 47840, 53222, 60164, 62192, 65504, 75205, 77740, 81880, 92560, 106444, 120328, 124384, 133055, 150410, 155480, 163760, 185120, 212888, 240656, 266110, 300820, 310960, 327520, 345943, 425776, 481312, 532220, 601640, 621920, 691886, 851552, 1064440, 1203280, 1383772, 1729715, 2128880, 2406560, 2767544, 3459430, 4257760, 5535088, 6918860, 11070176, 13837720, 27675440, 55350880]

約数ペア:

[(1, 55350880), (2, 27675440), (4, 13837720), (5, 11070176), (8, 6918860), (10, 5535088), (13, 4257760), (16, 3459430), (20, 2767544), (23, 2406560), (26, 2128880), (32, 1729715), (40, 1383772), (46, 1203280), (52, 1064440), (65, 851552), (80, 691886), (89, 621920), (92, 601640), (104, 532220), (115, 481312), (130, 425776), (160, 345943), (169, 327520), (178, 310960), (184, 300820), (208, 266110), (230, 240656), (260, 212888), (299, 185120), (338, 163760), (356, 155480), (368, 150410), (416, 133055), (445, 124384), (460, 120328), (520, 106444), (598, 92560), (676, 81880), (712, 77740), (736, 75205), (845, 65504), (890, 62192), (920, 60164), (1040, 53222), (1157, 47840), (1196, 46280), (1352, 40940), (1424, 38870), (1495, 37024), (1690, 32752), (1780, 31096), (1840, 30082), (2047, 27040), (2080, 26611), (2314, 23920), (2392, 23140), (2704, 20470), (2848, 19435), (2990, 18512), (3380, 16376), (3560, 15548), (3680, 15041), (3887, 14240), (4094, 13520), (4628, 11960), (4784, 11570), (5408, 10235), (5785, 9568), (5980, 9256), (6760, 8188), (7120, 7774)]