48221720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19763}}^1$

素因数の和:19835

約数の個数: 32

約数和(自身を含む): 110283120

約数和(自身を除く): 62061400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 19763, 39526, 79052, 98815, 158104, 197630, 395260, 790520, 1205543, 2411086, 4822172, 6027715, 9644344, 12055430, 24110860, 48221720]

約数ペア:

[(1, 48221720), (2, 24110860), (4, 12055430), (5, 9644344), (8, 6027715), (10, 4822172), (20, 2411086), (40, 1205543), (61, 790520), (122, 395260), (244, 197630), (305, 158104), (488, 98815), (610, 79052), (1220, 39526), (2440, 19763)]