51486040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41521}}^1$

素因数の和:41563

約数の個数: 32

約数和(自身を含む): 119583360

約数和(自身を除く): 68097320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41521, 83042, 166084, 207605, 332168, 415210, 830420, 1287151, 1660840, 2574302, 5148604, 6435755, 10297208, 12871510, 25743020, 51486040]

約数ペア:

[(1, 51486040), (2, 25743020), (4, 12871510), (5, 10297208), (8, 6435755), (10, 5148604), (20, 2574302), (31, 1660840), (40, 1287151), (62, 830420), (124, 415210), (155, 332168), (248, 207605), (310, 166084), (620, 83042), (1240, 41521)]