28707550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{18521}}^1$

素因数の和:18564

約数の個数: 24

約数和(自身を含む): 55121472

約数和(自身を除く): 26413922

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 18521, 37042, 92605, 185210, 463025, 574151, 926050, 1148302, 2870755, 5741510, 14353775, 28707550]

約数ペア:

[(1, 28707550), (2, 14353775), (5, 5741510), (10, 2870755), (25, 1148302), (31, 926050), (50, 574151), (62, 463025), (155, 185210), (310, 92605), (775, 37042), (1550, 18521)]