42490760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 105522480

約数和(自身を除く): 63031720

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, 820, 1066, 1640, 1993, 2132, 2665, 3986, 4264, 5330, 7972, 9965, 10660, 15944, 19930, 21320, 25909, 39860, 51818, 79720, 81713, 103636, 129545, 163426, 207272, 259090, 326852, 408565, 518180, 653704, 817130, 1036360, 1062269, 1634260, 2124538, 3268520, 4249076, 5311345, 8498152, 10622690, 21245380, 42490760]

約数ペア:

[(1, 42490760), (2, 21245380), (4, 10622690), (5, 8498152), (8, 5311345), (10, 4249076), (13, 3268520), (20, 2124538), (26, 1634260), (40, 1062269), (41, 1036360), (52, 817130), (65, 653704), (82, 518180), (104, 408565), (130, 326852), (164, 259090), (205, 207272), (260, 163426), (328, 129545), (410, 103636), (520, 81713), (533, 79720), (820, 51818), (1066, 39860), (1640, 25909), (1993, 21320), (2132, 19930), (2665, 15944), (3986, 10660), (4264, 9965), (5330, 7972)]