68967560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55619}}^1$

素因数の和:55661

約数の個数: 32

約数和(自身を含む): 160185600

約数和(自身を除く): 91218040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55619, 111238, 222476, 278095, 444952, 556190, 1112380, 1724189, 2224760, 3448378, 6896756, 8620945, 13793512, 17241890, 34483780, 68967560]

約数ペア:

[(1, 68967560), (2, 34483780), (4, 17241890), (5, 13793512), (8, 8620945), (10, 6896756), (20, 3448378), (31, 2224760), (40, 1724189), (62, 1112380), (124, 556190), (155, 444952), (248, 278095), (310, 222476), (620, 111238), (1240, 55619)]