8045357840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{188681}}^1$

素因数の和:188748

約数の個数: 80

約数和(自身を含む): 20635772976

約数和(自身を除く): 12590415136

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, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 21320, 42640, 188681, 377362, 754724, 943405, 1509448, 1886810, 2452853, 3018896, 3773620, 4905706, 7547240, 7735921, 9811412, 12264265, 15094480, 15471842, 19622824, 24528530, 30943684, 38679605, 39245648, 49057060, 61887368, 77359210, 98114120, 100566973, 123774736, 154718420, 196228240, 201133946, 309436840, 402267892, 502834865, 618873680, 804535784, 1005669730, 1609071568, 2011339460, 4022678920, 8045357840]

約数ペア:

[(1, 8045357840), (2, 4022678920), (4, 2011339460), (5, 1609071568), (8, 1005669730), (10, 804535784), (13, 618873680), (16, 502834865), (20, 402267892), (26, 309436840), (40, 201133946), (41, 196228240), (52, 154718420), (65, 123774736), (80, 100566973), (82, 98114120), (104, 77359210), (130, 61887368), (164, 49057060), (205, 39245648), (208, 38679605), (260, 30943684), (328, 24528530), (410, 19622824), (520, 15471842), (533, 15094480), (656, 12264265), (820, 9811412), (1040, 7735921), (1066, 7547240), (1640, 4905706), (2132, 3773620), (2665, 3018896), (3280, 2452853), (4264, 1886810), (5330, 1509448), (8528, 943405), (10660, 754724), (21320, 377362), (42640, 188681)]