1589680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 3821184

約数和(自身を除く): 2231504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 641, 1240, 1282, 2480, 2564, 3205, 5128, 6410, 10256, 12820, 19871, 25640, 39742, 51280, 79484, 99355, 158968, 198710, 317936, 397420, 794840, 1589680]

約数ペア:

[(1, 1589680), (2, 794840), (4, 397420), (5, 317936), (8, 198710), (10, 158968), (16, 99355), (20, 79484), (31, 51280), (40, 39742), (62, 25640), (80, 19871), (124, 12820), (155, 10256), (248, 6410), (310, 5128), (496, 3205), (620, 2564), (641, 2480), (1240, 1282)]