22187560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 52073280

約数和(自身を除く): 29885720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 163, 164, 166, 205, 326, 328, 332, 410, 415, 652, 664, 815, 820, 830, 1304, 1630, 1640, 1660, 3260, 3320, 3403, 6520, 6683, 6806, 13366, 13529, 13612, 17015, 26732, 27058, 27224, 33415, 34030, 53464, 54116, 66830, 67645, 68060, 108232, 133660, 135290, 136120, 267320, 270580, 541160, 554689, 1109378, 2218756, 2773445, 4437512, 5546890, 11093780, 22187560]

約数ペア:

[(1, 22187560), (2, 11093780), (4, 5546890), (5, 4437512), (8, 2773445), (10, 2218756), (20, 1109378), (40, 554689), (41, 541160), (82, 270580), (83, 267320), (163, 136120), (164, 135290), (166, 133660), (205, 108232), (326, 68060), (328, 67645), (332, 66830), (410, 54116), (415, 53464), (652, 34030), (664, 33415), (815, 27224), (820, 27058), (830, 26732), (1304, 17015), (1630, 13612), (1640, 13529), (1660, 13366), (3260, 6806), (3320, 6683), (3403, 6520)]