901801520

素因数分解:

$2^4\times 5^1\times {\mathrm{11272519}}^1$

素因数の和:11272532

約数の個数: 20

約数和(自身を含む): 2096688720

約数和(自身を除く): 1194887200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11272519, 22545038, 45090076, 56362595, 90180152, 112725190, 180360304, 225450380, 450900760, 901801520]

約数ペア:

[(1, 901801520), (2, 450900760), (4, 225450380), (5, 180360304), (8, 112725190), (10, 90180152), (16, 56362595), (20, 45090076), (40, 22545038), (80, 11272519)]