1887431320

素因数分解:

$2^3\times 5^1\times {\mathrm{2383}}^1\times {\mathrm{19801}}^1$

素因数の和:22195

約数の個数: 32

約数和(自身を含む): 4248717120

約数和(自身を除く): 2361285800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2383, 4766, 9532, 11915, 19064, 19801, 23830, 39602, 47660, 79204, 95320, 99005, 158408, 198010, 396020, 792040, 47185783, 94371566, 188743132, 235928915, 377486264, 471857830, 943715660, 1887431320]

約数ペア:

[(1, 1887431320), (2, 943715660), (4, 471857830), (5, 377486264), (8, 235928915), (10, 188743132), (20, 94371566), (40, 47185783), (2383, 792040), (4766, 396020), (9532, 198010), (11915, 158408), (19064, 99005), (19801, 95320), (23830, 79204), (39602, 47660)]