28317640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 71150400

約数和(自身を除く): 42832760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 71, 104, 118, 130, 142, 169, 236, 260, 284, 295, 338, 355, 472, 520, 568, 590, 676, 710, 767, 845, 923, 1180, 1352, 1420, 1534, 1690, 1846, 2360, 2840, 3068, 3380, 3692, 3835, 4189, 4615, 6136, 6760, 7384, 7670, 8378, 9230, 9971, 11999, 15340, 16756, 18460, 19942, 20945, 23998, 30680, 33512, 36920, 39884, 41890, 47996, 49855, 54457, 59995, 79768, 83780, 95992, 99710, 108914, 119990, 167560, 199420, 217828, 239980, 272285, 398840, 435656, 479960, 544570, 707941, 1089140, 1415882, 2178280, 2831764, 3539705, 5663528, 7079410, 14158820, 28317640]

約数ペア:

[(1, 28317640), (2, 14158820), (4, 7079410), (5, 5663528), (8, 3539705), (10, 2831764), (13, 2178280), (20, 1415882), (26, 1089140), (40, 707941), (52, 544570), (59, 479960), (65, 435656), (71, 398840), (104, 272285), (118, 239980), (130, 217828), (142, 199420), (169, 167560), (236, 119990), (260, 108914), (284, 99710), (295, 95992), (338, 83780), (355, 79768), (472, 59995), (520, 54457), (568, 49855), (590, 47996), (676, 41890), (710, 39884), (767, 36920), (845, 33512), (923, 30680), (1180, 23998), (1352, 20945), (1420, 19942), (1534, 18460), (1690, 16756), (1846, 15340), (2360, 11999), (2840, 9971), (3068, 9230), (3380, 8378), (3692, 7670), (3835, 7384), (4189, 6760), (4615, 6136)]