25236920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10343}}^1$

素因数の和:10415

約数の個数: 32

約数和(自身を含む): 57719520

約数和(自身を除く): 32482600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10343, 20686, 41372, 51715, 82744, 103430, 206860, 413720, 630923, 1261846, 2523692, 3154615, 5047384, 6309230, 12618460, 25236920]

約数ペア:

[(1, 25236920), (2, 12618460), (4, 6309230), (5, 5047384), (8, 3154615), (10, 2523692), (20, 1261846), (40, 630923), (61, 413720), (122, 206860), (244, 103430), (305, 82744), (488, 51715), (610, 41372), (1220, 20686), (2440, 10343)]