31971280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 82923264

約数和(自身を除く): 50951984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 773, 880, 940, 1034, 1546, 1880, 2068, 2585, 3092, 3760, 3865, 4136, 5170, 6184, 7730, 8272, 8503, 10340, 12368, 15460, 17006, 20680, 30920, 34012, 36331, 41360, 42515, 61840, 68024, 72662, 85030, 136048, 145324, 170060, 181655, 290648, 340120, 363310, 399641, 581296, 680240, 726620, 799282, 1453240, 1598564, 1998205, 2906480, 3197128, 3996410, 6394256, 7992820, 15985640, 31971280]

約数ペア:

[(1, 31971280), (2, 15985640), (4, 7992820), (5, 6394256), (8, 3996410), (10, 3197128), (11, 2906480), (16, 1998205), (20, 1598564), (22, 1453240), (40, 799282), (44, 726620), (47, 680240), (55, 581296), (80, 399641), (88, 363310), (94, 340120), (110, 290648), (176, 181655), (188, 170060), (220, 145324), (235, 136048), (376, 85030), (440, 72662), (470, 68024), (517, 61840), (752, 42515), (773, 41360), (880, 36331), (940, 34012), (1034, 30920), (1546, 20680), (1880, 17006), (2068, 15460), (2585, 12368), (3092, 10340), (3760, 8503), (3865, 8272), (4136, 7730), (5170, 6184)]