7856221360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{95621}}^1$

素因数の和:95726

約数の個数: 80

約数和(自身を含む): 19919975040

約数和(自身を除く): 12063753680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 3160, 4108, 5135, 6320, 8216, 10270, 16432, 20540, 41080, 82160, 95621, 191242, 382484, 478105, 764968, 956210, 1243073, 1529936, 1912420, 2486146, 3824840, 4972292, 6215365, 7554059, 7649680, 9944584, 12430730, 15108118, 19889168, 24861460, 30216236, 37770295, 49722920, 60432472, 75540590, 98202767, 99445840, 120864944, 151081180, 196405534, 302162360, 392811068, 491013835, 604324720, 785622136, 982027670, 1571244272, 1964055340, 3928110680, 7856221360]

約数ペア:

[(1, 7856221360), (2, 3928110680), (4, 1964055340), (5, 1571244272), (8, 982027670), (10, 785622136), (13, 604324720), (16, 491013835), (20, 392811068), (26, 302162360), (40, 196405534), (52, 151081180), (65, 120864944), (79, 99445840), (80, 98202767), (104, 75540590), (130, 60432472), (158, 49722920), (208, 37770295), (260, 30216236), (316, 24861460), (395, 19889168), (520, 15108118), (632, 12430730), (790, 9944584), (1027, 7649680), (1040, 7554059), (1264, 6215365), (1580, 4972292), (2054, 3824840), (3160, 2486146), (4108, 1912420), (5135, 1529936), (6320, 1243073), (8216, 956210), (10270, 764968), (16432, 478105), (20540, 382484), (41080, 191242), (82160, 95621)]