49539320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 115171200

約数和(自身を除く): 65631880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 257, 305, 316, 395, 488, 514, 610, 632, 790, 1028, 1220, 1285, 1580, 2056, 2440, 2570, 3160, 4819, 5140, 9638, 10280, 15677, 19276, 20303, 24095, 31354, 38552, 40606, 48190, 62708, 78385, 81212, 96380, 101515, 125416, 156770, 162424, 192760, 203030, 313540, 406060, 627080, 812120, 1238483, 2476966, 4953932, 6192415, 9907864, 12384830, 24769660, 49539320]

約数ペア:

[(1, 49539320), (2, 24769660), (4, 12384830), (5, 9907864), (8, 6192415), (10, 4953932), (20, 2476966), (40, 1238483), (61, 812120), (79, 627080), (122, 406060), (158, 313540), (244, 203030), (257, 192760), (305, 162424), (316, 156770), (395, 125416), (488, 101515), (514, 96380), (610, 81212), (632, 78385), (790, 62708), (1028, 48190), (1220, 40606), (1285, 38552), (1580, 31354), (2056, 24095), (2440, 20303), (2570, 19276), (3160, 15677), (4819, 10280), (5140, 9638)]