28603240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 66951360

約数和(自身を除く): 38348120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 163, 164, 205, 214, 326, 328, 410, 428, 535, 652, 815, 820, 856, 1070, 1304, 1630, 1640, 2140, 3260, 4280, 4387, 6520, 6683, 8774, 13366, 17441, 17548, 21935, 26732, 33415, 34882, 35096, 43870, 53464, 66830, 69764, 87205, 87740, 133660, 139528, 174410, 175480, 267320, 348820, 697640, 715081, 1430162, 2860324, 3575405, 5720648, 7150810, 14301620, 28603240]

約数ペア:

[(1, 28603240), (2, 14301620), (4, 7150810), (5, 5720648), (8, 3575405), (10, 2860324), (20, 1430162), (40, 715081), (41, 697640), (82, 348820), (107, 267320), (163, 175480), (164, 174410), (205, 139528), (214, 133660), (326, 87740), (328, 87205), (410, 69764), (428, 66830), (535, 53464), (652, 43870), (815, 35096), (820, 34882), (856, 33415), (1070, 26732), (1304, 21935), (1630, 17548), (1640, 17441), (2140, 13366), (3260, 8774), (4280, 6683), (4387, 6520)]