1145603960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{698539}}^1$

素因数の和:698591

約数の個数: 32

約数和(自身を含む): 2640481200

約数和(自身を除く): 1494877240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 698539, 1397078, 2794156, 3492695, 5588312, 6985390, 13970780, 27941560, 28640099, 57280198, 114560396, 143200495, 229120792, 286400990, 572801980, 1145603960]

約数ペア:

[(1, 1145603960), (2, 572801980), (4, 286400990), (5, 229120792), (8, 143200495), (10, 114560396), (20, 57280198), (40, 28640099), (41, 27941560), (82, 13970780), (164, 6985390), (205, 5588312), (328, 3492695), (410, 2794156), (820, 1397078), (1640, 698539)]