28002040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 71746560

約数和(自身を除く): 43744520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 2767, 5060, 5534, 10120, 11068, 13835, 22136, 27670, 30437, 55340, 60874, 63641, 110680, 121748, 127282, 152185, 243496, 254564, 304370, 318205, 509128, 608740, 636410, 700051, 1217480, 1272820, 1400102, 2545640, 2800204, 3500255, 5600408, 7000510, 14001020, 28002040]

約数ペア:

[(1, 28002040), (2, 14001020), (4, 7000510), (5, 5600408), (8, 3500255), (10, 2800204), (11, 2545640), (20, 1400102), (22, 1272820), (23, 1217480), (40, 700051), (44, 636410), (46, 608740), (55, 509128), (88, 318205), (92, 304370), (110, 254564), (115, 243496), (184, 152185), (220, 127282), (230, 121748), (253, 110680), (440, 63641), (460, 60874), (506, 55340), (920, 30437), (1012, 27670), (1265, 22136), (2024, 13835), (2530, 11068), (2767, 10120), (5060, 5534)]