71924840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 175588560

約数和(自身を除く): 103663720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 881, 1256, 1570, 1762, 2041, 3140, 3524, 4082, 4405, 6280, 7048, 8164, 8810, 10205, 11453, 16328, 17620, 20410, 22906, 35240, 40820, 45812, 57265, 81640, 91624, 114530, 138317, 229060, 276634, 458120, 553268, 691585, 1106536, 1383170, 1798121, 2766340, 3596242, 5532680, 7192484, 8990605, 14384968, 17981210, 35962420, 71924840]

約数ペア:

[(1, 71924840), (2, 35962420), (4, 17981210), (5, 14384968), (8, 8990605), (10, 7192484), (13, 5532680), (20, 3596242), (26, 2766340), (40, 1798121), (52, 1383170), (65, 1106536), (104, 691585), (130, 553268), (157, 458120), (260, 276634), (314, 229060), (520, 138317), (628, 114530), (785, 91624), (881, 81640), (1256, 57265), (1570, 45812), (1762, 40820), (2041, 35240), (3140, 22906), (3524, 20410), (4082, 17620), (4405, 16328), (6280, 11453), (7048, 10205), (8164, 8810)]