51559640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 137401920

約数和(自身を除く): 85842280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 61, 68, 85, 88, 110, 113, 122, 136, 170, 187, 220, 226, 244, 305, 340, 374, 440, 452, 488, 565, 610, 671, 680, 748, 904, 935, 1037, 1130, 1220, 1243, 1342, 1496, 1870, 1921, 2074, 2260, 2440, 2486, 2684, 3355, 3740, 3842, 4148, 4520, 4972, 5185, 5368, 6215, 6710, 6893, 7480, 7684, 8296, 9605, 9944, 10370, 11407, 12430, 13420, 13786, 15368, 19210, 20740, 21131, 22814, 24860, 26840, 27572, 34465, 38420, 41480, 42262, 45628, 49720, 55144, 57035, 68930, 75823, 76840, 84524, 91256, 105655, 114070, 117181, 137860, 151646, 169048, 211310, 228140, 234362, 275720, 303292, 379115, 422620, 456280, 468724, 585905, 606584, 758230, 845240, 937448, 1171810, 1288991, 1516460, 2343620, 2577982, 3032920, 4687240, 5155964, 6444955, 10311928, 12889910, 25779820, 51559640]

約数ペア:

[(1, 51559640), (2, 25779820), (4, 12889910), (5, 10311928), (8, 6444955), (10, 5155964), (11, 4687240), (17, 3032920), (20, 2577982), (22, 2343620), (34, 1516460), (40, 1288991), (44, 1171810), (55, 937448), (61, 845240), (68, 758230), (85, 606584), (88, 585905), (110, 468724), (113, 456280), (122, 422620), (136, 379115), (170, 303292), (187, 275720), (220, 234362), (226, 228140), (244, 211310), (305, 169048), (340, 151646), (374, 137860), (440, 117181), (452, 114070), (488, 105655), (565, 91256), (610, 84524), (671, 76840), (680, 75823), (748, 68930), (904, 57035), (935, 55144), (1037, 49720), (1130, 45628), (1220, 42262), (1243, 41480), (1342, 38420), (1496, 34465), (1870, 27572), (1921, 26840), (2074, 24860), (2260, 22814), (2440, 21131), (2486, 20740), (2684, 19210), (3355, 15368), (3740, 13786), (3842, 13420), (4148, 12430), (4520, 11407), (4972, 10370), (5185, 9944), (5368, 9605), (6215, 8296), (6710, 7684), (6893, 7480)]