90155420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{265163}}^1$

素因数の和:265189

約数の個数: 24

約数和(自身を含む): 200463984

約数和(自身を除く): 110308564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 265163, 530326, 1060652, 1325815, 2651630, 4507771, 5303260, 9015542, 18031084, 22538855, 45077710, 90155420]

約数ペア:

[(1, 90155420), (2, 45077710), (4, 22538855), (5, 18031084), (10, 9015542), (17, 5303260), (20, 4507771), (34, 2651630), (68, 1325815), (85, 1060652), (170, 530326), (340, 265163)]