1400000080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{5987}}^1$

素因数の和:6116

約数の個数: 80

約数和(自身を含む): 3385854720

約数和(自身を除く): 1985854640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 79, 80, 148, 158, 185, 296, 316, 370, 395, 592, 632, 740, 790, 1264, 1480, 1580, 2923, 2960, 3160, 5846, 5987, 6320, 11692, 11974, 14615, 23384, 23948, 29230, 29935, 46768, 47896, 58460, 59870, 95792, 116920, 119740, 221519, 233840, 239480, 443038, 472973, 478960, 886076, 945946, 1107595, 1772152, 1891892, 2215190, 2364865, 3544304, 3783784, 4430380, 4729730, 7567568, 8860760, 9459460, 17500001, 17721520, 18918920, 35000002, 37837840, 70000004, 87500005, 140000008, 175000010, 280000016, 350000020, 700000040, 1400000080]

約数ペア:

[(1, 1400000080), (2, 700000040), (4, 350000020), (5, 280000016), (8, 175000010), (10, 140000008), (16, 87500005), (20, 70000004), (37, 37837840), (40, 35000002), (74, 18918920), (79, 17721520), (80, 17500001), (148, 9459460), (158, 8860760), (185, 7567568), (296, 4729730), (316, 4430380), (370, 3783784), (395, 3544304), (592, 2364865), (632, 2215190), (740, 1891892), (790, 1772152), (1264, 1107595), (1480, 945946), (1580, 886076), (2923, 478960), (2960, 472973), (3160, 443038), (5846, 239480), (5987, 233840), (6320, 221519), (11692, 119740), (11974, 116920), (14615, 95792), (23384, 59870), (23948, 58460), (29230, 47896), (29935, 46768)]