51555140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2179}}^1$

素因数の和:2221

約数の個数: 72

約数和(自身を含む): 134043840

約数和(自身を除く): 82488700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2179, 2366, 3380, 4358, 4732, 5915, 8716, 10895, 11830, 15253, 21790, 23660, 28327, 30506, 43580, 56654, 61012, 76265, 113308, 141635, 152530, 198289, 283270, 305060, 368251, 396578, 566540, 736502, 793156, 991445, 1473004, 1841255, 1982890, 2577757, 3682510, 3965780, 5155514, 7365020, 10311028, 12888785, 25777570, 51555140]

約数ペア:

[(1, 51555140), (2, 25777570), (4, 12888785), (5, 10311028), (7, 7365020), (10, 5155514), (13, 3965780), (14, 3682510), (20, 2577757), (26, 1982890), (28, 1841255), (35, 1473004), (52, 991445), (65, 793156), (70, 736502), (91, 566540), (130, 396578), (140, 368251), (169, 305060), (182, 283270), (260, 198289), (338, 152530), (364, 141635), (455, 113308), (676, 76265), (845, 61012), (910, 56654), (1183, 43580), (1690, 30506), (1820, 28327), (2179, 23660), (2366, 21790), (3380, 15253), (4358, 11830), (4732, 10895), (5915, 8716)]