4386980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5773660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 359, 470, 611, 718, 940, 1222, 1436, 1795, 2444, 3055, 3590, 4667, 6110, 7180, 9334, 12220, 16873, 18668, 23335, 33746, 46670, 67492, 84365, 93340, 168730, 219349, 337460, 438698, 877396, 1096745, 2193490, 4386980]

約数ペア:

[(1, 4386980), (2, 2193490), (4, 1096745), (5, 877396), (10, 438698), (13, 337460), (20, 219349), (26, 168730), (47, 93340), (52, 84365), (65, 67492), (94, 46670), (130, 33746), (188, 23335), (235, 18668), (260, 16873), (359, 12220), (470, 9334), (611, 7180), (718, 6110), (940, 4667), (1222, 3590), (1436, 3055), (1795, 2444)]