28667080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 71895600

約数和(自身を除く): 43228520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 1901, 3016, 3770, 3802, 7540, 7604, 9505, 15080, 15208, 19010, 24713, 38020, 49426, 55129, 76040, 98852, 110258, 123565, 197704, 220516, 247130, 275645, 441032, 494260, 551290, 716677, 988520, 1102580, 1433354, 2205160, 2866708, 3583385, 5733416, 7166770, 14333540, 28667080]

約数ペア:

[(1, 28667080), (2, 14333540), (4, 7166770), (5, 5733416), (8, 3583385), (10, 2866708), (13, 2205160), (20, 1433354), (26, 1102580), (29, 988520), (40, 716677), (52, 551290), (58, 494260), (65, 441032), (104, 275645), (116, 247130), (130, 220516), (145, 197704), (232, 123565), (260, 110258), (290, 98852), (377, 76040), (520, 55129), (580, 49426), (754, 38020), (1160, 24713), (1508, 19010), (1885, 15208), (1901, 15080), (3016, 9505), (3770, 7604), (3802, 7540)]