31932420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40939}}^1$

素因数の和:40964

約数の個数: 48

約数和(自身を含む): 96290880

約数和(自身を除く): 64358460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40939, 81878, 122817, 163756, 204695, 245634, 409390, 491268, 532207, 614085, 818780, 1064414, 1228170, 1596621, 2128828, 2456340, 2661035, 3193242, 5322070, 6386484, 7983105, 10644140, 15966210, 31932420]

約数ペア:

[(1, 31932420), (2, 15966210), (3, 10644140), (4, 7983105), (5, 6386484), (6, 5322070), (10, 3193242), (12, 2661035), (13, 2456340), (15, 2128828), (20, 1596621), (26, 1228170), (30, 1064414), (39, 818780), (52, 614085), (60, 532207), (65, 491268), (78, 409390), (130, 245634), (156, 204695), (195, 163756), (260, 122817), (390, 81878), (780, 40939)]