90558260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{919}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 205564800

約数和(自身を除く): 115006540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 919, 1516, 1838, 1895, 3676, 3790, 4595, 4927, 7580, 9190, 9854, 11947, 18380, 19708, 23894, 24635, 47788, 49270, 59735, 98540, 119470, 238940, 348301, 696602, 1393204, 1741505, 3483010, 4527913, 6966020, 9055826, 18111652, 22639565, 45279130, 90558260]

約数ペア:

[(1, 90558260), (2, 45279130), (4, 22639565), (5, 18111652), (10, 9055826), (13, 6966020), (20, 4527913), (26, 3483010), (52, 1741505), (65, 1393204), (130, 696602), (260, 348301), (379, 238940), (758, 119470), (919, 98540), (1516, 59735), (1838, 49270), (1895, 47788), (3676, 24635), (3790, 23894), (4595, 19708), (4927, 18380), (7580, 11947), (9190, 9854)]