213856553720

素因数分解:

$2^3\times 5^1\times {\mathrm{8081}}^1\times {\mathrm{661603}}^1$

素因数の和:669695

約数の個数: 32

約数和(自身を含む): 481237517520

約数和(自身を除く): 267380963800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8081, 16162, 32324, 40405, 64648, 80810, 161620, 323240, 661603, 1323206, 2646412, 3308015, 5292824, 6616030, 13232060, 26464120, 5346413843, 10692827686, 21385655372, 26732069215, 42771310744, 53464138430, 106928276860, 213856553720]

約数ペア:

[(1, 213856553720), (2, 106928276860), (4, 53464138430), (5, 42771310744), (8, 26732069215), (10, 21385655372), (20, 10692827686), (40, 5346413843), (8081, 26464120), (16162, 13232060), (32324, 6616030), (40405, 5292824), (64648, 3308015), (80810, 2646412), (161620, 1323206), (323240, 661603)]