426486520

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{61631}}^1$

素因数の和:61815

約数の個数: 32

約数和(自身を含む): 965157120

約数和(自身を除く): 538670600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 61631, 123262, 246524, 308155, 493048, 616310, 1232620, 2465240, 10662163, 21324326, 42648652, 53310815, 85297304, 106621630, 213243260, 426486520]

約数ペア:

[(1, 426486520), (2, 213243260), (4, 106621630), (5, 85297304), (8, 53310815), (10, 42648652), (20, 21324326), (40, 10662163), (173, 2465240), (346, 1232620), (692, 616310), (865, 493048), (1384, 308155), (1730, 246524), (3460, 123262), (6920, 61631)]