56152780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 127403136

約数和(自身を除く): 71250356

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 47, 62, 82, 94, 124, 155, 164, 188, 205, 235, 310, 410, 470, 620, 820, 940, 1271, 1457, 1927, 2209, 2542, 2914, 3854, 4418, 5084, 5828, 6355, 7285, 7708, 8836, 9635, 11045, 12710, 14570, 19270, 22090, 25420, 29140, 38540, 44180, 59737, 68479, 90569, 119474, 136958, 181138, 238948, 273916, 298685, 342395, 362276, 452845, 597370, 684790, 905690, 1194740, 1369580, 1811380, 2807639, 5615278, 11230556, 14038195, 28076390, 56152780]

約数ペア:

[(1, 56152780), (2, 28076390), (4, 14038195), (5, 11230556), (10, 5615278), (20, 2807639), (31, 1811380), (41, 1369580), (47, 1194740), (62, 905690), (82, 684790), (94, 597370), (124, 452845), (155, 362276), (164, 342395), (188, 298685), (205, 273916), (235, 238948), (310, 181138), (410, 136958), (470, 119474), (620, 90569), (820, 68479), (940, 59737), (1271, 44180), (1457, 38540), (1927, 29140), (2209, 25420), (2542, 22090), (2914, 19270), (3854, 14570), (4418, 12710), (5084, 11045), (5828, 9635), (6355, 8836), (7285, 7708)]