101290120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^2\times {\mathrm{157}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 231174540

約数和(自身を除く): 129884420

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 157, 254, 314, 508, 628, 635, 785, 1016, 1256, 1270, 1570, 2540, 3140, 5080, 6280, 16129, 19939, 32258, 39878, 64516, 79756, 80645, 99695, 129032, 159512, 161290, 199390, 322580, 398780, 645160, 797560, 2532253, 5064506, 10129012, 12661265, 20258024, 25322530, 50645060, 101290120]

約数ペア:

[(1, 101290120), (2, 50645060), (4, 25322530), (5, 20258024), (8, 12661265), (10, 10129012), (20, 5064506), (40, 2532253), (127, 797560), (157, 645160), (254, 398780), (314, 322580), (508, 199390), (628, 161290), (635, 159512), (785, 129032), (1016, 99695), (1256, 80645), (1270, 79756), (1570, 64516), (2540, 39878), (3140, 32258), (5080, 19939), (6280, 16129)]