10815740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 25909632

約数和(自身を除く): 15093892

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2447, 4420, 4894, 9788, 12235, 24470, 31811, 41599, 48940, 63622, 83198, 127244, 159055, 166396, 207995, 318110, 415990, 540787, 636220, 831980, 1081574, 2163148, 2703935, 5407870, 10815740]

約数ペア:

[(1, 10815740), (2, 5407870), (4, 2703935), (5, 2163148), (10, 1081574), (13, 831980), (17, 636220), (20, 540787), (26, 415990), (34, 318110), (52, 207995), (65, 166396), (68, 159055), (85, 127244), (130, 83198), (170, 63622), (221, 48940), (260, 41599), (340, 31811), (442, 24470), (884, 12235), (1105, 9788), (2210, 4894), (2447, 4420)]