56742140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31177}}^1$

素因数の和:31206

約数の個数: 48

約数和(自身を含む): 146661312

約数和(自身を除く): 89919172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31177, 62354, 124708, 155885, 218239, 311770, 405301, 436478, 623540, 810602, 872956, 1091195, 1621204, 2026505, 2182390, 2837107, 4053010, 4364780, 5674214, 8106020, 11348428, 14185535, 28371070, 56742140]

約数ペア:

[(1, 56742140), (2, 28371070), (4, 14185535), (5, 11348428), (7, 8106020), (10, 5674214), (13, 4364780), (14, 4053010), (20, 2837107), (26, 2182390), (28, 2026505), (35, 1621204), (52, 1091195), (65, 872956), (70, 810602), (91, 623540), (130, 436478), (140, 405301), (182, 311770), (260, 218239), (364, 155885), (455, 124708), (910, 62354), (1820, 31177)]