2011543880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{308519}}^1$

素因数の和:308693

約数の個数: 32

約数和(自身を含む): 4553755200

約数和(自身を除く): 2542211320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 308519, 617038, 1234076, 1542595, 2468152, 3085190, 6170380, 12340760, 50288597, 100577194, 201154388, 251442985, 402308776, 502885970, 1005771940, 2011543880]

約数ペア:

[(1, 2011543880), (2, 1005771940), (4, 502885970), (5, 402308776), (8, 251442985), (10, 201154388), (20, 100577194), (40, 50288597), (163, 12340760), (326, 6170380), (652, 3085190), (815, 2468152), (1304, 1542595), (1630, 1234076), (3260, 617038), (6520, 308519)]