65804320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13267}}^1$

素因数の和:13313

約数の個数: 48

約数和(自身を含む): 160489728

約数和(自身を除く): 94685408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 13267, 26534, 53068, 66335, 106136, 132670, 212272, 265340, 411277, 424544, 530680, 822554, 1061360, 1645108, 2056385, 2122720, 3290216, 4112770, 6580432, 8225540, 13160864, 16451080, 32902160, 65804320]

約数ペア:

[(1, 65804320), (2, 32902160), (4, 16451080), (5, 13160864), (8, 8225540), (10, 6580432), (16, 4112770), (20, 3290216), (31, 2122720), (32, 2056385), (40, 1645108), (62, 1061360), (80, 822554), (124, 530680), (155, 424544), (160, 411277), (248, 265340), (310, 212272), (496, 132670), (620, 106136), (992, 66335), (1240, 53068), (2480, 26534), (4960, 13267)]