28475840

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 112

約数和(自身を含む): 73078848

約数和(自身を除く): 44603008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 73, 80, 92, 106, 115, 146, 160, 184, 212, 230, 265, 292, 320, 365, 368, 424, 460, 530, 584, 730, 736, 848, 920, 1060, 1168, 1219, 1460, 1472, 1679, 1696, 1840, 2120, 2336, 2438, 2920, 3358, 3392, 3680, 3869, 4240, 4672, 4876, 5840, 6095, 6716, 7360, 7738, 8395, 8480, 9752, 11680, 12190, 13432, 15476, 16790, 16960, 19345, 19504, 23360, 24380, 26864, 30952, 33580, 38690, 39008, 48760, 53728, 61904, 67160, 77380, 78016, 88987, 97520, 107456, 123808, 134320, 154760, 177974, 195040, 247616, 268640, 309520, 355948, 390080, 444935, 537280, 619040, 711896, 889870, 1238080, 1423792, 1779740, 2847584, 3559480, 5695168, 7118960, 14237920, 28475840]

約数ペア:

[(1, 28475840), (2, 14237920), (4, 7118960), (5, 5695168), (8, 3559480), (10, 2847584), (16, 1779740), (20, 1423792), (23, 1238080), (32, 889870), (40, 711896), (46, 619040), (53, 537280), (64, 444935), (73, 390080), (80, 355948), (92, 309520), (106, 268640), (115, 247616), (146, 195040), (160, 177974), (184, 154760), (212, 134320), (230, 123808), (265, 107456), (292, 97520), (320, 88987), (365, 78016), (368, 77380), (424, 67160), (460, 61904), (530, 53728), (584, 48760), (730, 39008), (736, 38690), (848, 33580), (920, 30952), (1060, 26864), (1168, 24380), (1219, 23360), (1460, 19504), (1472, 19345), (1679, 16960), (1696, 16790), (1840, 15476), (2120, 13432), (2336, 12190), (2438, 11680), (2920, 9752), (3358, 8480), (3392, 8395), (3680, 7738), (3869, 7360), (4240, 6716), (4672, 6095), (4876, 5840)]