65402870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16229}}^1$

素因数の和:16280

約数の個数: 32

約数和(自身を含む): 130878720

約数和(自身を除く): 65475850

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16229, 32458, 81145, 162290, 210977, 421954, 503099, 1006198, 1054885, 2109770, 2515495, 5030990, 6540287, 13080574, 32701435, 65402870]

約数ペア:

[(1, 65402870), (2, 32701435), (5, 13080574), (10, 6540287), (13, 5030990), (26, 2515495), (31, 2109770), (62, 1054885), (65, 1006198), (130, 503099), (155, 421954), (310, 210977), (403, 162290), (806, 81145), (2015, 32458), (4030, 16229)]