65842040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 162846720

約数和(自身を除く): 97004680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 991, 1208, 1510, 1661, 1982, 3020, 3322, 3964, 4955, 6040, 6644, 7928, 8305, 9910, 10901, 13288, 16610, 19820, 21802, 33220, 39640, 43604, 54505, 66440, 87208, 109010, 149641, 218020, 299282, 436040, 598564, 748205, 1197128, 1496410, 1646051, 2992820, 3292102, 5985640, 6584204, 8230255, 13168408, 16460510, 32921020, 65842040]

約数ペア:

[(1, 65842040), (2, 32921020), (4, 16460510), (5, 13168408), (8, 8230255), (10, 6584204), (11, 5985640), (20, 3292102), (22, 2992820), (40, 1646051), (44, 1496410), (55, 1197128), (88, 748205), (110, 598564), (151, 436040), (220, 299282), (302, 218020), (440, 149641), (604, 109010), (755, 87208), (991, 66440), (1208, 54505), (1510, 43604), (1661, 39640), (1982, 33220), (3020, 21802), (3322, 19820), (3964, 16610), (4955, 13288), (6040, 10901), (6644, 9910), (7928, 8305)]