30438460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117071}}^1$

素因数の和:117093

約数の個数: 24

約数和(自身を含む): 68838336

約数和(自身を除く): 38399876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 117071, 234142, 468284, 585355, 1170710, 1521923, 2341420, 3043846, 6087692, 7609615, 15219230, 30438460]

約数ペア:

[(1, 30438460), (2, 15219230), (4, 7609615), (5, 6087692), (10, 3043846), (13, 2341420), (20, 1521923), (26, 1170710), (52, 585355), (65, 468284), (130, 234142), (260, 117071)]