91781720

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1867}}^1$

素因数の和:3107

約数の個数: 32

約数和(自身を含む): 206787600

約数和(自身を除く): 115005880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 1867, 2458, 3734, 4916, 6145, 7468, 9335, 9832, 12290, 14936, 18670, 24580, 37340, 49160, 74680, 2294543, 4589086, 9178172, 11472715, 18356344, 22945430, 45890860, 91781720]

約数ペア:

[(1, 91781720), (2, 45890860), (4, 22945430), (5, 18356344), (8, 11472715), (10, 9178172), (20, 4589086), (40, 2294543), (1229, 74680), (1867, 49160), (2458, 37340), (3734, 24580), (4916, 18670), (6145, 14936), (7468, 12290), (9335, 9832)]