31669040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 81536448

約数和(自身を除く): 49867408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 823, 962, 1040, 1480, 1646, 1924, 2405, 2960, 3292, 3848, 4115, 4810, 6584, 7696, 8230, 9620, 10699, 13168, 16460, 19240, 21398, 30451, 32920, 38480, 42796, 53495, 60902, 65840, 85592, 106990, 121804, 152255, 171184, 213980, 243608, 304510, 395863, 427960, 487216, 609020, 791726, 855920, 1218040, 1583452, 1979315, 2436080, 3166904, 3958630, 6333808, 7917260, 15834520, 31669040]

約数ペア:

[(1, 31669040), (2, 15834520), (4, 7917260), (5, 6333808), (8, 3958630), (10, 3166904), (13, 2436080), (16, 1979315), (20, 1583452), (26, 1218040), (37, 855920), (40, 791726), (52, 609020), (65, 487216), (74, 427960), (80, 395863), (104, 304510), (130, 243608), (148, 213980), (185, 171184), (208, 152255), (260, 121804), (296, 106990), (370, 85592), (481, 65840), (520, 60902), (592, 53495), (740, 42796), (823, 38480), (962, 32920), (1040, 30451), (1480, 21398), (1646, 19240), (1924, 16460), (2405, 13168), (2960, 10699), (3292, 9620), (3848, 8230), (4115, 7696), (4810, 6584)]