23919320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9803}}^1$

素因数の和:9875

約数の個数: 32

約数和(自身を含む): 54706320

約数和(自身を除く): 30787000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 9803, 19606, 39212, 49015, 78424, 98030, 196060, 392120, 597983, 1195966, 2391932, 2989915, 4783864, 5979830, 11959660, 23919320]

約数ペア:

[(1, 23919320), (2, 11959660), (4, 5979830), (5, 4783864), (8, 2989915), (10, 2391932), (20, 1195966), (40, 597983), (61, 392120), (122, 196060), (244, 98030), (305, 78424), (488, 49015), (610, 39212), (1220, 19606), (2440, 9803)]