13285840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9769}}^1$

素因数の和:9799

約数の個数: 40

約数和(自身を含む): 32709960

約数和(自身を除く): 19424120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9769, 19538, 39076, 48845, 78152, 97690, 156304, 166073, 195380, 332146, 390760, 664292, 781520, 830365, 1328584, 1660730, 2657168, 3321460, 6642920, 13285840]

約数ペア:

[(1, 13285840), (2, 6642920), (4, 3321460), (5, 2657168), (8, 1660730), (10, 1328584), (16, 830365), (17, 781520), (20, 664292), (34, 390760), (40, 332146), (68, 195380), (80, 166073), (85, 156304), (136, 97690), (170, 78152), (272, 48845), (340, 39076), (680, 19538), (1360, 9769)]