51406400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 126

約数和(自身を含む): 134999730

約数和(自身を除く): 83593330

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 89, 95, 100, 152, 160, 178, 190, 200, 304, 320, 356, 361, 380, 400, 445, 475, 608, 712, 722, 760, 800, 890, 950, 1216, 1424, 1444, 1520, 1600, 1691, 1780, 1805, 1900, 2225, 2848, 2888, 3040, 3382, 3560, 3610, 3800, 4450, 5696, 5776, 6080, 6764, 7120, 7220, 7600, 8455, 8900, 9025, 11552, 13528, 14240, 14440, 15200, 16910, 17800, 18050, 23104, 27056, 28480, 28880, 30400, 32129, 33820, 35600, 36100, 42275, 54112, 57760, 64258, 67640, 71200, 72200, 84550, 108224, 115520, 128516, 135280, 142400, 144400, 160645, 169100, 257032, 270560, 288800, 321290, 338200, 514064, 541120, 577600, 642580, 676400, 803225, 1028128, 1285160, 1352800, 1606450, 2056256, 2570320, 2705600, 3212900, 5140640, 6425800, 10281280, 12851600, 25703200, 51406400]

約数ペア:

[(1, 51406400), (2, 25703200), (4, 12851600), (5, 10281280), (8, 6425800), (10, 5140640), (16, 3212900), (19, 2705600), (20, 2570320), (25, 2056256), (32, 1606450), (38, 1352800), (40, 1285160), (50, 1028128), (64, 803225), (76, 676400), (80, 642580), (89, 577600), (95, 541120), (100, 514064), (152, 338200), (160, 321290), (178, 288800), (190, 270560), (200, 257032), (304, 169100), (320, 160645), (356, 144400), (361, 142400), (380, 135280), (400, 128516), (445, 115520), (475, 108224), (608, 84550), (712, 72200), (722, 71200), (760, 67640), (800, 64258), (890, 57760), (950, 54112), (1216, 42275), (1424, 36100), (1444, 35600), (1520, 33820), (1600, 32129), (1691, 30400), (1780, 28880), (1805, 28480), (1900, 27056), (2225, 23104), (2848, 18050), (2888, 17800), (3040, 16910), (3382, 15200), (3560, 14440), (3610, 14240), (3800, 13528), (4450, 11552), (5696, 9025), (5776, 8900), (6080, 8455), (6764, 7600), (7120, 7220)]