49881760

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4477

約数の個数: 48

約数和(自身を含む): 119532672

約数和(自身を除く): 69650912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 4391, 5680, 8782, 11360, 17564, 21955, 35128, 43910, 70256, 87820, 140512, 175640, 311761, 351280, 623522, 702560, 1247044, 1558805, 2494088, 3117610, 4988176, 6235220, 9976352, 12470440, 24940880, 49881760]

約数ペア:

[(1, 49881760), (2, 24940880), (4, 12470440), (5, 9976352), (8, 6235220), (10, 4988176), (16, 3117610), (20, 2494088), (32, 1558805), (40, 1247044), (71, 702560), (80, 623522), (142, 351280), (160, 311761), (284, 175640), (355, 140512), (568, 87820), (710, 70256), (1136, 43910), (1420, 35128), (2272, 21955), (2840, 17564), (4391, 11360), (5680, 8782)]