54745340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{881}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 124467840

約数和(自身を除く): 69722500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 881, 956, 1195, 1762, 2390, 3107, 3524, 4405, 4780, 6214, 8810, 11453, 12428, 15535, 17620, 22906, 31070, 45812, 57265, 62140, 114530, 210559, 229060, 421118, 842236, 1052795, 2105590, 2737267, 4211180, 5474534, 10949068, 13686335, 27372670, 54745340]

約数ペア:

[(1, 54745340), (2, 27372670), (4, 13686335), (5, 10949068), (10, 5474534), (13, 4211180), (20, 2737267), (26, 2105590), (52, 1052795), (65, 842236), (130, 421118), (239, 229060), (260, 210559), (478, 114530), (881, 62140), (956, 57265), (1195, 45812), (1762, 31070), (2390, 22906), (3107, 17620), (3524, 15535), (4405, 12428), (4780, 11453), (6214, 8810)]