28508727260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1\times {\mathrm{1087}}^1$

素因数の和:1935

約数の個数: 96

約数和(自身を含む): 65061964800

約数和(自身を除く): 36553237540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 677, 745, 1087, 1354, 1490, 1937, 2174, 2708, 2980, 3385, 3874, 4348, 5435, 6770, 7748, 8801, 9685, 10870, 13540, 14131, 17602, 19370, 21740, 28262, 35204, 38740, 44005, 56524, 70655, 88010, 100873, 141310, 161963, 176020, 201746, 282620, 323926, 403492, 504365, 647852, 735899, 809815, 1008730, 1311349, 1471798, 1619630, 2017460, 2105519, 2622698, 2943596, 3239260, 3679495, 4211038, 5245396, 6556745, 7358990, 8422076, 9566687, 10527595, 13113490, 14717980, 19133374, 21055190, 26226980, 38266748, 42110380, 47833435, 95666870, 109648951, 191333740, 219297902, 438595804, 548244755, 1096489510, 1425436363, 2192979020, 2850872726, 5701745452, 7127181815, 14254363630, 28508727260]

約数ペア:

[(1, 28508727260), (2, 14254363630), (4, 7127181815), (5, 5701745452), (10, 2850872726), (13, 2192979020), (20, 1425436363), (26, 1096489510), (52, 548244755), (65, 438595804), (130, 219297902), (149, 191333740), (260, 109648951), (298, 95666870), (596, 47833435), (677, 42110380), (745, 38266748), (1087, 26226980), (1354, 21055190), (1490, 19133374), (1937, 14717980), (2174, 13113490), (2708, 10527595), (2980, 9566687), (3385, 8422076), (3874, 7358990), (4348, 6556745), (5435, 5245396), (6770, 4211038), (7748, 3679495), (8801, 3239260), (9685, 2943596), (10870, 2622698), (13540, 2105519), (14131, 2017460), (17602, 1619630), (19370, 1471798), (21740, 1311349), (28262, 1008730), (35204, 809815), (38740, 735899), (44005, 647852), (56524, 504365), (70655, 403492), (88010, 323926), (100873, 282620), (141310, 201746), (161963, 176020)]