16665655240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{143719}}^1$

素因数の和:143966

約数の個数: 64

約数和(自身を含む): 40563532800

約数和(自身を除く): 23897877560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 892, 1115, 1784, 2230, 2899, 4460, 5798, 8920, 11596, 14495, 23192, 28990, 57980, 115960, 143719, 287438, 574876, 718595, 1149752, 1437190, 1868347, 2874380, 3736694, 5748760, 7473388, 9341735, 14946776, 18683470, 32049337, 37366940, 64098674, 74733880, 128197348, 160246685, 256394696, 320493370, 416641381, 640986740, 833282762, 1281973480, 1666565524, 2083206905, 3333131048, 4166413810, 8332827620, 16665655240]

約数ペア:

[(1, 16665655240), (2, 8332827620), (4, 4166413810), (5, 3333131048), (8, 2083206905), (10, 1666565524), (13, 1281973480), (20, 833282762), (26, 640986740), (40, 416641381), (52, 320493370), (65, 256394696), (104, 160246685), (130, 128197348), (223, 74733880), (260, 64098674), (446, 37366940), (520, 32049337), (892, 18683470), (1115, 14946776), (1784, 9341735), (2230, 7473388), (2899, 5748760), (4460, 3736694), (5798, 2874380), (8920, 1868347), (11596, 1437190), (14495, 1149752), (23192, 718595), (28990, 574876), (57980, 287438), (115960, 143719)]