13452920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 33445440

約数和(自身を除く): 19992520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 631, 820, 1066, 1262, 1640, 2132, 2524, 2665, 3155, 4264, 5048, 5330, 6310, 8203, 10660, 12620, 16406, 21320, 25240, 25871, 32812, 41015, 51742, 65624, 82030, 103484, 129355, 164060, 206968, 258710, 328120, 336323, 517420, 672646, 1034840, 1345292, 1681615, 2690584, 3363230, 6726460, 13452920]

約数ペア:

[(1, 13452920), (2, 6726460), (4, 3363230), (5, 2690584), (8, 1681615), (10, 1345292), (13, 1034840), (20, 672646), (26, 517420), (40, 336323), (41, 328120), (52, 258710), (65, 206968), (82, 164060), (104, 129355), (130, 103484), (164, 82030), (205, 65624), (260, 51742), (328, 41015), (410, 32812), (520, 25871), (533, 25240), (631, 21320), (820, 16406), (1066, 12620), (1262, 10660), (1640, 8203), (2132, 6310), (2524, 5330), (2665, 5048), (3155, 4264)]