65417960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 152545680

約数和(自身を除く): 87127720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 328, 353, 410, 452, 565, 706, 820, 904, 1130, 1412, 1640, 1765, 2260, 2824, 3530, 4520, 4633, 7060, 9266, 14120, 14473, 18532, 23165, 28946, 37064, 39889, 46330, 57892, 72365, 79778, 92660, 115784, 144730, 159556, 185320, 199445, 289460, 319112, 398890, 578920, 797780, 1595560, 1635449, 3270898, 6541796, 8177245, 13083592, 16354490, 32708980, 65417960]

約数ペア:

[(1, 65417960), (2, 32708980), (4, 16354490), (5, 13083592), (8, 8177245), (10, 6541796), (20, 3270898), (40, 1635449), (41, 1595560), (82, 797780), (113, 578920), (164, 398890), (205, 319112), (226, 289460), (328, 199445), (353, 185320), (410, 159556), (452, 144730), (565, 115784), (706, 92660), (820, 79778), (904, 72365), (1130, 57892), (1412, 46330), (1640, 39889), (1765, 37064), (2260, 28946), (2824, 23165), (3530, 18532), (4520, 14473), (4633, 14120), (7060, 9266)]