15667947580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{50221}}^1$

素因数の和:51070

約数の個数: 48

約数和(自身を含む): 34677286560

約数和(自身を除く): 19009338980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 821, 1642, 3284, 4105, 8210, 15599, 16420, 31198, 50221, 62396, 77995, 100442, 155990, 200884, 251105, 311980, 502210, 954199, 1004420, 1908398, 3816796, 4770995, 9541990, 19083980, 41231441, 82462882, 164925764, 206157205, 412314410, 783397379, 824628820, 1566794758, 3133589516, 3916986895, 7833973790, 15667947580]

約数ペア:

[(1, 15667947580), (2, 7833973790), (4, 3916986895), (5, 3133589516), (10, 1566794758), (19, 824628820), (20, 783397379), (38, 412314410), (76, 206157205), (95, 164925764), (190, 82462882), (380, 41231441), (821, 19083980), (1642, 9541990), (3284, 4770995), (4105, 3816796), (8210, 1908398), (15599, 1004420), (16420, 954199), (31198, 502210), (50221, 311980), (62396, 251105), (77995, 200884), (100442, 155990)]