38981020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 88623360

約数和(自身を除く): 49642340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 479, 626, 958, 1252, 1565, 1916, 2395, 3130, 4069, 4790, 6227, 6260, 8138, 9580, 12454, 16276, 20345, 24908, 31135, 40690, 62270, 81380, 124540, 149927, 299854, 599708, 749635, 1499270, 1949051, 2998540, 3898102, 7796204, 9745255, 19490510, 38981020]

約数ペア:

[(1, 38981020), (2, 19490510), (4, 9745255), (5, 7796204), (10, 3898102), (13, 2998540), (20, 1949051), (26, 1499270), (52, 749635), (65, 599708), (130, 299854), (260, 149927), (313, 124540), (479, 81380), (626, 62270), (958, 40690), (1252, 31135), (1565, 24908), (1916, 20345), (2395, 16276), (3130, 12454), (4069, 9580), (4790, 8138), (6227, 6260)]