38718420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49639}}^1$

素因数の和:49664

約数の個数: 48

約数和(自身を含む): 116753280

約数和(自身を除く): 78034860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 49639, 99278, 148917, 198556, 248195, 297834, 496390, 595668, 645307, 744585, 992780, 1290614, 1489170, 1935921, 2581228, 2978340, 3226535, 3871842, 6453070, 7743684, 9679605, 12906140, 19359210, 38718420]

約数ペア:

[(1, 38718420), (2, 19359210), (3, 12906140), (4, 9679605), (5, 7743684), (6, 6453070), (10, 3871842), (12, 3226535), (13, 2978340), (15, 2581228), (20, 1935921), (26, 1489170), (30, 1290614), (39, 992780), (52, 744585), (60, 645307), (65, 595668), (78, 496390), (130, 297834), (156, 248195), (195, 198556), (260, 148917), (390, 99278), (780, 49639)]