51442520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 121867200

約数和(自身を除く): 70424680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 727, 1160, 1220, 1454, 1769, 2440, 2908, 3538, 3635, 5816, 7076, 7270, 8845, 14152, 14540, 17690, 21083, 29080, 35380, 42166, 44347, 70760, 84332, 88694, 105415, 168664, 177388, 210830, 221735, 354776, 421660, 443470, 843320, 886940, 1286063, 1773880, 2572126, 5144252, 6430315, 10288504, 12860630, 25721260, 51442520]

約数ペア:

[(1, 51442520), (2, 25721260), (4, 12860630), (5, 10288504), (8, 6430315), (10, 5144252), (20, 2572126), (29, 1773880), (40, 1286063), (58, 886940), (61, 843320), (116, 443470), (122, 421660), (145, 354776), (232, 221735), (244, 210830), (290, 177388), (305, 168664), (488, 105415), (580, 88694), (610, 84332), (727, 70760), (1160, 44347), (1220, 42166), (1454, 35380), (1769, 29080), (2440, 21083), (2908, 17690), (3538, 14540), (3635, 14152), (5816, 8845), (7076, 7270)]