858366980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{10163}}^1$

素因数の和:10316

約数の個数: 48

約数和(自身を含む): 1864646784

約数和(自身を除く): 1006279804

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 2060, 4223, 8446, 10163, 16892, 20326, 21115, 40652, 42230, 50815, 84460, 101630, 203260, 416683, 833366, 1046789, 1666732, 2083415, 2093578, 4166830, 4187156, 5233945, 8333660, 10467890, 20935780, 42918349, 85836698, 171673396, 214591745, 429183490, 858366980]

約数ペア:

[(1, 858366980), (2, 429183490), (4, 214591745), (5, 171673396), (10, 85836698), (20, 42918349), (41, 20935780), (82, 10467890), (103, 8333660), (164, 5233945), (205, 4187156), (206, 4166830), (410, 2093578), (412, 2083415), (515, 1666732), (820, 1046789), (1030, 833366), (2060, 416683), (4223, 203260), (8446, 101630), (10163, 84460), (16892, 50815), (20326, 42230), (21115, 40652)]