40828720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26861}}^1$

素因数の和:26893

約数の個数: 40

約数和(自身を含む): 99926640

約数和(自身を除く): 59097920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26861, 53722, 107444, 134305, 214888, 268610, 429776, 510359, 537220, 1020718, 1074440, 2041436, 2148880, 2551795, 4082872, 5103590, 8165744, 10207180, 20414360, 40828720]

約数ペア:

[(1, 40828720), (2, 20414360), (4, 10207180), (5, 8165744), (8, 5103590), (10, 4082872), (16, 2551795), (19, 2148880), (20, 2041436), (38, 1074440), (40, 1020718), (76, 537220), (80, 510359), (95, 429776), (152, 268610), (190, 214888), (304, 134305), (380, 107444), (760, 53722), (1520, 26861)]