80595320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154991}}^1$

素因数の和:155015

約数の個数: 32

約数和(自身を含む): 195289920

約数和(自身を除く): 114694600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154991, 309982, 619964, 774955, 1239928, 1549910, 2014883, 3099820, 4029766, 6199640, 8059532, 10074415, 16119064, 20148830, 40297660, 80595320]

約数ペア:

[(1, 80595320), (2, 40297660), (4, 20148830), (5, 16119064), (8, 10074415), (10, 8059532), (13, 6199640), (20, 4029766), (26, 3099820), (40, 2014883), (52, 1549910), (65, 1239928), (104, 774955), (130, 619964), (260, 309982), (520, 154991)]