90195430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22381}}^1$

素因数の和:22432

約数の個数: 32

約数和(自身を含む): 180488448

約数和(自身を除く): 90293018

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 22381, 44762, 111905, 223810, 290953, 581906, 693811, 1387622, 1454765, 2909530, 3469055, 6938110, 9019543, 18039086, 45097715, 90195430]

約数ペア:

[(1, 90195430), (2, 45097715), (5, 18039086), (10, 9019543), (13, 6938110), (26, 3469055), (31, 2909530), (62, 1454765), (65, 1387622), (130, 693811), (155, 581906), (310, 290953), (403, 223810), (806, 111905), (2015, 44762), (4030, 22381)]