2019656080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{5867}}^1$

素因数の和:6224

約数の個数: 80

約数和(自身を含む): 5073050304

約数和(自身を除く): 3053394224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 331, 520, 662, 1040, 1324, 1655, 2648, 3310, 4303, 5296, 5867, 6620, 8606, 11734, 13240, 17212, 21515, 23468, 26480, 29335, 34424, 43030, 46936, 58670, 68848, 76271, 86060, 93872, 117340, 152542, 172120, 234680, 305084, 344240, 381355, 469360, 610168, 762710, 1220336, 1525420, 1941977, 3050840, 3883954, 6101680, 7767908, 9709885, 15535816, 19419770, 25245701, 31071632, 38839540, 50491402, 77679080, 100982804, 126228505, 155358160, 201965608, 252457010, 403931216, 504914020, 1009828040, 2019656080]

約数ペア:

[(1, 2019656080), (2, 1009828040), (4, 504914020), (5, 403931216), (8, 252457010), (10, 201965608), (13, 155358160), (16, 126228505), (20, 100982804), (26, 77679080), (40, 50491402), (52, 38839540), (65, 31071632), (80, 25245701), (104, 19419770), (130, 15535816), (208, 9709885), (260, 7767908), (331, 6101680), (520, 3883954), (662, 3050840), (1040, 1941977), (1324, 1525420), (1655, 1220336), (2648, 762710), (3310, 610168), (4303, 469360), (5296, 381355), (5867, 344240), (6620, 305084), (8606, 234680), (11734, 172120), (13240, 152542), (17212, 117340), (21515, 93872), (23468, 86060), (26480, 76271), (29335, 68848), (34424, 58670), (43030, 46936)]