38406980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 86546880

約数和(自身を除く): 48139900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 1907, 2014, 3814, 4028, 5035, 7628, 9535, 10070, 19070, 20140, 36233, 38140, 72466, 101071, 144932, 181165, 202142, 362330, 404284, 505355, 724660, 1010710, 1920349, 2021420, 3840698, 7681396, 9601745, 19203490, 38406980]

約数ペア:

[(1, 38406980), (2, 19203490), (4, 9601745), (5, 7681396), (10, 3840698), (19, 2021420), (20, 1920349), (38, 1010710), (53, 724660), (76, 505355), (95, 404284), (106, 362330), (190, 202142), (212, 181165), (265, 144932), (380, 101071), (530, 72466), (1007, 38140), (1060, 36233), (1907, 20140), (2014, 19070), (3814, 10070), (4028, 9535), (5035, 7628)]