90040360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77621}}^1$

素因数の和:77661

約数の個数: 32

約数和(自身を含む): 209579400

約数和(自身を除く): 119539040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77621, 155242, 310484, 388105, 620968, 776210, 1552420, 2251009, 3104840, 4502018, 9004036, 11255045, 18008072, 22510090, 45020180, 90040360]

約数ペア:

[(1, 90040360), (2, 45020180), (4, 22510090), (5, 18008072), (8, 11255045), (10, 9004036), (20, 4502018), (29, 3104840), (40, 2251009), (58, 1552420), (116, 776210), (145, 620968), (232, 388105), (290, 310484), (580, 155242), (1160, 77621)]