4028366840

素因数分解:

$2^3\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{25171}}^1$

素因数の和:29183

約数の個数: 32

約数和(自身を含む): 9066450960

約数和(自身を除く): 5038084120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4001, 8002, 16004, 20005, 25171, 32008, 40010, 50342, 80020, 100684, 125855, 160040, 201368, 251710, 503420, 1006840, 100709171, 201418342, 402836684, 503545855, 805673368, 1007091710, 2014183420, 4028366840]

約数ペア:

[(1, 4028366840), (2, 2014183420), (4, 1007091710), (5, 805673368), (8, 503545855), (10, 402836684), (20, 201418342), (40, 100709171), (4001, 1006840), (8002, 503420), (16004, 251710), (20005, 201368), (25171, 160040), (32008, 125855), (40010, 100684), (50342, 80020)]