56981720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45953}}^1$

素因数の和:45995

約数の個数: 32

約数和(自身を含む): 132347520

約数和(自身を除く): 75365800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 45953, 91906, 183812, 229765, 367624, 459530, 919060, 1424543, 1838120, 2849086, 5698172, 7122715, 11396344, 14245430, 28490860, 56981720]

約数ペア:

[(1, 56981720), (2, 28490860), (4, 14245430), (5, 11396344), (8, 7122715), (10, 5698172), (20, 2849086), (31, 1838120), (40, 1424543), (62, 919060), (124, 459530), (155, 367624), (248, 229765), (310, 183812), (620, 91906), (1240, 45953)]