128124620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2753}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 291483360

約数和(自身を除く): 163358740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 716, 895, 1790, 2327, 2753, 3580, 4654, 5506, 9308, 11012, 11635, 13765, 23270, 27530, 35789, 46540, 55060, 71578, 143156, 178945, 357890, 492787, 715780, 985574, 1971148, 2463935, 4927870, 6406231, 9855740, 12812462, 25624924, 32031155, 64062310, 128124620]

約数ペア:

[(1, 128124620), (2, 64062310), (4, 32031155), (5, 25624924), (10, 12812462), (13, 9855740), (20, 6406231), (26, 4927870), (52, 2463935), (65, 1971148), (130, 985574), (179, 715780), (260, 492787), (358, 357890), (716, 178945), (895, 143156), (1790, 71578), (2327, 55060), (2753, 46540), (3580, 35789), (4654, 27530), (5506, 23270), (9308, 13765), (11012, 11635)]