65381480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52727}}^1$

素因数の和:52769

約数の個数: 32

約数和(自身を含む): 151856640

約数和(自身を除く): 86475160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52727, 105454, 210908, 263635, 421816, 527270, 1054540, 1634537, 2109080, 3269074, 6538148, 8172685, 13076296, 16345370, 32690740, 65381480]

約数ペア:

[(1, 65381480), (2, 32690740), (4, 16345370), (5, 13076296), (8, 8172685), (10, 6538148), (20, 3269074), (31, 2109080), (40, 1634537), (62, 1054540), (124, 527270), (155, 421816), (248, 263635), (310, 210908), (620, 105454), (1240, 52727)]