47838640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9803}}^1$

素因数の和:9877

約数の個数: 40

約数和(自身を含む): 113059728

約数和(自身を除く): 65221088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 9803, 19606, 39212, 49015, 78424, 98030, 156848, 196060, 392120, 597983, 784240, 1195966, 2391932, 2989915, 4783864, 5979830, 9567728, 11959660, 23919320, 47838640]

約数ペア:

[(1, 47838640), (2, 23919320), (4, 11959660), (5, 9567728), (8, 5979830), (10, 4783864), (16, 2989915), (20, 2391932), (40, 1195966), (61, 784240), (80, 597983), (122, 392120), (244, 196060), (305, 156848), (488, 98030), (610, 78424), (976, 49015), (1220, 39212), (2440, 19606), (4880, 9803)]