8708772020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{40699}}^1$

素因数の和:41544

約数の個数: 48

約数和(自身を含む): 19719638400

約数和(自身を除く): 11010866380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 823, 1646, 3292, 4115, 8230, 10699, 16460, 21398, 40699, 42796, 53495, 81398, 106990, 162796, 203495, 213980, 406990, 529087, 813980, 1058174, 2116348, 2645435, 5290870, 10581740, 33495277, 66990554, 133981108, 167476385, 334952770, 435438601, 669905540, 870877202, 1741754404, 2177193005, 4354386010, 8708772020]

約数ペア:

[(1, 8708772020), (2, 4354386010), (4, 2177193005), (5, 1741754404), (10, 870877202), (13, 669905540), (20, 435438601), (26, 334952770), (52, 167476385), (65, 133981108), (130, 66990554), (260, 33495277), (823, 10581740), (1646, 5290870), (3292, 2645435), (4115, 2116348), (8230, 1058174), (10699, 813980), (16460, 529087), (21398, 406990), (40699, 213980), (42796, 203495), (53495, 162796), (81398, 106990)]