27804520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 40624280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 1319, 2108, 2635, 2638, 4216, 5270, 5276, 6595, 10540, 10552, 13190, 21080, 22423, 26380, 40889, 44846, 52760, 81778, 89692, 112115, 163556, 179384, 204445, 224230, 327112, 408890, 448460, 695113, 817780, 896920, 1390226, 1635560, 2780452, 3475565, 5560904, 6951130, 13902260, 27804520]

約数ペア:

[(1, 27804520), (2, 13902260), (4, 6951130), (5, 5560904), (8, 3475565), (10, 2780452), (17, 1635560), (20, 1390226), (31, 896920), (34, 817780), (40, 695113), (62, 448460), (68, 408890), (85, 327112), (124, 224230), (136, 204445), (155, 179384), (170, 163556), (248, 112115), (310, 89692), (340, 81778), (527, 52760), (620, 44846), (680, 40889), (1054, 26380), (1240, 22423), (1319, 21080), (2108, 13190), (2635, 10552), (2638, 10540), (4216, 6595), (5270, 5276)]