79864720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1873}}^1$

素因数の和:1940

約数の個数: 80

約数和(自身を含む): 204955632

約数和(自身を除く): 125090912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 1873, 2132, 2665, 3280, 3746, 4264, 5330, 7492, 8528, 9365, 10660, 14984, 18730, 21320, 24349, 29968, 37460, 42640, 48698, 74920, 76793, 97396, 121745, 149840, 153586, 194792, 243490, 307172, 383965, 389584, 486980, 614344, 767930, 973960, 998309, 1228688, 1535860, 1947920, 1996618, 3071720, 3993236, 4991545, 6143440, 7986472, 9983090, 15972944, 19966180, 39932360, 79864720]

約数ペア:

[(1, 79864720), (2, 39932360), (4, 19966180), (5, 15972944), (8, 9983090), (10, 7986472), (13, 6143440), (16, 4991545), (20, 3993236), (26, 3071720), (40, 1996618), (41, 1947920), (52, 1535860), (65, 1228688), (80, 998309), (82, 973960), (104, 767930), (130, 614344), (164, 486980), (205, 389584), (208, 383965), (260, 307172), (328, 243490), (410, 194792), (520, 153586), (533, 149840), (656, 121745), (820, 97396), (1040, 76793), (1066, 74920), (1640, 48698), (1873, 42640), (2132, 37460), (2665, 29968), (3280, 24349), (3746, 21320), (4264, 18730), (5330, 14984), (7492, 10660), (8528, 9365)]