39744580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 90034560

約数和(自身を除く): 50289980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 2551, 3116, 3895, 5102, 7790, 10204, 12755, 15580, 25510, 48469, 51020, 96938, 104591, 193876, 209182, 242345, 418364, 484690, 522955, 969380, 1045910, 1987229, 2091820, 3974458, 7948916, 9936145, 19872290, 39744580]

約数ペア:

[(1, 39744580), (2, 19872290), (4, 9936145), (5, 7948916), (10, 3974458), (19, 2091820), (20, 1987229), (38, 1045910), (41, 969380), (76, 522955), (82, 484690), (95, 418364), (164, 242345), (190, 209182), (205, 193876), (380, 104591), (410, 96938), (779, 51020), (820, 48469), (1558, 25510), (2551, 15580), (3116, 12755), (3895, 10204), (5102, 7790)]