56163920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 140736528

約数和(自身を除く): 84572608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 677, 680, 976, 1037, 1220, 1354, 1360, 2074, 2440, 2708, 3385, 4148, 4880, 5185, 5416, 6770, 8296, 10370, 10832, 11509, 13540, 16592, 20740, 23018, 27080, 41297, 41480, 46036, 54160, 57545, 82594, 82960, 92072, 115090, 165188, 184144, 206485, 230180, 330376, 412970, 460360, 660752, 702049, 825940, 920720, 1404098, 1651880, 2808196, 3303760, 3510245, 5616392, 7020490, 11232784, 14040980, 28081960, 56163920]

約数ペア:

[(1, 56163920), (2, 28081960), (4, 14040980), (5, 11232784), (8, 7020490), (10, 5616392), (16, 3510245), (17, 3303760), (20, 2808196), (34, 1651880), (40, 1404098), (61, 920720), (68, 825940), (80, 702049), (85, 660752), (122, 460360), (136, 412970), (170, 330376), (244, 230180), (272, 206485), (305, 184144), (340, 165188), (488, 115090), (610, 92072), (677, 82960), (680, 82594), (976, 57545), (1037, 54160), (1220, 46036), (1354, 41480), (1360, 41297), (2074, 27080), (2440, 23018), (2708, 20740), (3385, 16592), (4148, 13540), (4880, 11509), (5185, 10832), (5416, 10370), (6770, 8296)]