90415660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 197370432

約数和(自身を除く): 106954772

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 1553, 2911, 3106, 5822, 6212, 7765, 11644, 14555, 15530, 29110, 31060, 58220, 63673, 110263, 127346, 220526, 254692, 318365, 441052, 551315, 636730, 1102630, 1273460, 2205260, 4520783, 9041566, 18083132, 22603915, 45207830, 90415660]

約数ペア:

[(1, 90415660), (2, 45207830), (4, 22603915), (5, 18083132), (10, 9041566), (20, 4520783), (41, 2205260), (71, 1273460), (82, 1102630), (142, 636730), (164, 551315), (205, 441052), (284, 318365), (355, 254692), (410, 220526), (710, 127346), (820, 110263), (1420, 63673), (1553, 58220), (2911, 31060), (3106, 29110), (5822, 15530), (6212, 14555), (7765, 11644)]