65456180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 140978880

約数和(自身を除く): 75522700

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 292, 365, 419, 428, 535, 730, 838, 1070, 1460, 1676, 2095, 2140, 4190, 7811, 8380, 15622, 30587, 31244, 39055, 44833, 61174, 78110, 89666, 122348, 152935, 156220, 179332, 224165, 305870, 448330, 611740, 896660, 3272809, 6545618, 13091236, 16364045, 32728090, 65456180]

約数ペア:

[(1, 65456180), (2, 32728090), (4, 16364045), (5, 13091236), (10, 6545618), (20, 3272809), (73, 896660), (107, 611740), (146, 448330), (214, 305870), (292, 224165), (365, 179332), (419, 156220), (428, 152935), (535, 122348), (730, 89666), (838, 78110), (1070, 61174), (1460, 44833), (1676, 39055), (2095, 31244), (2140, 30587), (4190, 15622), (7811, 8380)]