90671920

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1153}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 211209696

約数和(自身を除く): 120537776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1153, 1966, 2306, 3932, 4612, 4915, 5765, 7864, 9224, 9830, 11530, 15728, 18448, 19660, 23060, 39320, 46120, 78640, 92240, 1133399, 2266798, 4533596, 5666995, 9067192, 11333990, 18134384, 22667980, 45335960, 90671920]

約数ペア:

[(1, 90671920), (2, 45335960), (4, 22667980), (5, 18134384), (8, 11333990), (10, 9067192), (16, 5666995), (20, 4533596), (40, 2266798), (80, 1133399), (983, 92240), (1153, 78640), (1966, 46120), (2306, 39320), (3932, 23060), (4612, 19660), (4915, 18448), (5765, 15728), (7864, 11530), (9224, 9830)]