50986520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 125375040

約数和(自身を除く): 74388520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1381, 1420, 1846, 2762, 2840, 3692, 4615, 5524, 6905, 7384, 9230, 11048, 13810, 17953, 18460, 27620, 35906, 36920, 55240, 71812, 89765, 98051, 143624, 179530, 196102, 359060, 392204, 490255, 718120, 784408, 980510, 1274663, 1961020, 2549326, 3922040, 5098652, 6373315, 10197304, 12746630, 25493260, 50986520]

約数ペア:

[(1, 50986520), (2, 25493260), (4, 12746630), (5, 10197304), (8, 6373315), (10, 5098652), (13, 3922040), (20, 2549326), (26, 1961020), (40, 1274663), (52, 980510), (65, 784408), (71, 718120), (104, 490255), (130, 392204), (142, 359060), (260, 196102), (284, 179530), (355, 143624), (520, 98051), (568, 89765), (710, 71812), (923, 55240), (1381, 36920), (1420, 35906), (1846, 27620), (2762, 18460), (2840, 17953), (3692, 13810), (4615, 11048), (5524, 9230), (6905, 7384)]