411423280

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{9871}}^1$

素因数の和:10405

約数の個数: 40

約数和(自身を含む): 958492224

約数和(自身を除く): 547068944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2084, 2605, 4168, 5210, 8336, 9871, 10420, 19742, 20840, 39484, 41680, 49355, 78968, 98710, 157936, 197420, 394840, 789680, 5142791, 10285582, 20571164, 25713955, 41142328, 51427910, 82284656, 102855820, 205711640, 411423280]

約数ペア:

[(1, 411423280), (2, 205711640), (4, 102855820), (5, 82284656), (8, 51427910), (10, 41142328), (16, 25713955), (20, 20571164), (40, 10285582), (80, 5142791), (521, 789680), (1042, 394840), (2084, 197420), (2605, 157936), (4168, 98710), (5210, 78968), (8336, 49355), (9871, 41680), (10420, 39484), (19742, 20840)]