57451720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13177}}^1$

素因数の和:13297

約数の個数: 32

約数和(自身を含む): 130462200

約数和(自身を除く): 73010480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 13177, 26354, 52708, 65885, 105416, 131770, 263540, 527080, 1436293, 2872586, 5745172, 7181465, 11490344, 14362930, 28725860, 57451720]

約数ペア:

[(1, 57451720), (2, 28725860), (4, 14362930), (5, 11490344), (8, 7181465), (10, 5745172), (20, 2872586), (40, 1436293), (109, 527080), (218, 263540), (436, 131770), (545, 105416), (872, 65885), (1090, 52708), (2180, 26354), (4360, 13177)]