30448760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12479}}^1$

素因数の和:12551

約数の個数: 32

約数和(自身を含む): 69638400

約数和(自身を除く): 39189640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12479, 24958, 49916, 62395, 99832, 124790, 249580, 499160, 761219, 1522438, 3044876, 3806095, 6089752, 7612190, 15224380, 30448760]

約数ペア:

[(1, 30448760), (2, 15224380), (4, 7612190), (5, 6089752), (8, 3806095), (10, 3044876), (20, 1522438), (40, 761219), (61, 499160), (122, 249580), (244, 124790), (305, 99832), (488, 62395), (610, 49916), (1220, 24958), (2440, 12479)]