90772960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18301}}^1$

素因数の和:18347

約数の個数: 48

約数和(自身を含む): 221380992

約数和(自身を除く): 130608032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18301, 36602, 73204, 91505, 146408, 183010, 292816, 366020, 567331, 585632, 732040, 1134662, 1464080, 2269324, 2836655, 2928160, 4538648, 5673310, 9077296, 11346620, 18154592, 22693240, 45386480, 90772960]

約数ペア:

[(1, 90772960), (2, 45386480), (4, 22693240), (5, 18154592), (8, 11346620), (10, 9077296), (16, 5673310), (20, 4538648), (31, 2928160), (32, 2836655), (40, 2269324), (62, 1464080), (80, 1134662), (124, 732040), (155, 585632), (160, 567331), (248, 366020), (310, 292816), (496, 183010), (620, 146408), (992, 91505), (1240, 73204), (2480, 36602), (4960, 18301)]