12996867260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{11617}}^1$

素因数の和:11983

約数の個数: 72

約数和(自身を含む): 29646254736

約数和(自身を除く): 16649387476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 331, 338, 662, 676, 845, 1324, 1655, 1690, 3310, 3380, 4303, 6620, 8606, 11617, 17212, 21515, 23234, 43030, 46468, 55939, 58085, 86060, 111878, 116170, 151021, 223756, 232340, 279695, 302042, 559390, 604084, 755105, 1118780, 1510210, 1963273, 3020420, 3845227, 3926546, 7690454, 7853092, 9816365, 15380908, 19226135, 19632730, 38452270, 39265460, 49987951, 76904540, 99975902, 199951804, 249939755, 499879510, 649843363, 999759020, 1299686726, 2599373452, 3249216815, 6498433630, 12996867260]

約数ペア:

[(1, 12996867260), (2, 6498433630), (4, 3249216815), (5, 2599373452), (10, 1299686726), (13, 999759020), (20, 649843363), (26, 499879510), (52, 249939755), (65, 199951804), (130, 99975902), (169, 76904540), (260, 49987951), (331, 39265460), (338, 38452270), (662, 19632730), (676, 19226135), (845, 15380908), (1324, 9816365), (1655, 7853092), (1690, 7690454), (3310, 3926546), (3380, 3845227), (4303, 3020420), (6620, 1963273), (8606, 1510210), (11617, 1118780), (17212, 755105), (21515, 604084), (23234, 559390), (43030, 302042), (46468, 279695), (55939, 232340), (58085, 223756), (86060, 151021), (111878, 116170)]