866456720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{204353}}^1$

素因数の和:204419

約数の個数: 40

約数和(自身を含む): 2052531576

約数和(自身を除く): 1186074856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 204353, 408706, 817412, 1021765, 1634824, 2043530, 3269648, 4087060, 8174120, 10830709, 16348240, 21661418, 43322836, 54153545, 86645672, 108307090, 173291344, 216614180, 433228360, 866456720]

約数ペア:

[(1, 866456720), (2, 433228360), (4, 216614180), (5, 173291344), (8, 108307090), (10, 86645672), (16, 54153545), (20, 43322836), (40, 21661418), (53, 16348240), (80, 10830709), (106, 8174120), (212, 4087060), (265, 3269648), (424, 2043530), (530, 1634824), (848, 1021765), (1060, 817412), (2120, 408706), (4240, 204353)]