8687900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 20925744

約数和(自身を除く): 12237844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 163, 164, 205, 260, 325, 326, 410, 533, 650, 652, 815, 820, 1025, 1066, 1300, 1630, 2050, 2119, 2132, 2665, 3260, 4075, 4100, 4238, 5330, 6683, 8150, 8476, 10595, 10660, 13325, 13366, 16300, 21190, 26650, 26732, 33415, 42380, 52975, 53300, 66830, 86879, 105950, 133660, 167075, 173758, 211900, 334150, 347516, 434395, 668300, 868790, 1737580, 2171975, 4343950, 8687900]

約数ペア:

[(1, 8687900), (2, 4343950), (4, 2171975), (5, 1737580), (10, 868790), (13, 668300), (20, 434395), (25, 347516), (26, 334150), (41, 211900), (50, 173758), (52, 167075), (65, 133660), (82, 105950), (100, 86879), (130, 66830), (163, 53300), (164, 52975), (205, 42380), (260, 33415), (325, 26732), (326, 26650), (410, 21190), (533, 16300), (650, 13366), (652, 13325), (815, 10660), (820, 10595), (1025, 8476), (1066, 8150), (1300, 6683), (1630, 5330), (2050, 4238), (2119, 4100), (2132, 4075), (2665, 3260)]