90131570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1741}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 168569856

約数和(自身を除く): 78438286

約数列:

[1, 2, 5, 10, 31, 62, 155, 167, 310, 334, 835, 1670, 1741, 3482, 5177, 8705, 10354, 17410, 25885, 51770, 53971, 107942, 269855, 290747, 539710, 581494, 1453735, 2907470, 9013157, 18026314, 45065785, 90131570]

約数ペア:

[(1, 90131570), (2, 45065785), (5, 18026314), (10, 9013157), (31, 2907470), (62, 1453735), (155, 581494), (167, 539710), (310, 290747), (334, 269855), (835, 107942), (1670, 53971), (1741, 51770), (3482, 25885), (5177, 17410), (8705, 10354)]