139754240

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2663}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 343048608

約数和(自身を除く): 203294368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 2624, 2663, 3280, 5248, 5326, 6560, 10496, 10652, 13120, 13315, 21304, 26240, 26630, 42608, 52480, 53260, 85216, 106520, 109183, 170432, 213040, 218366, 340864, 426080, 436732, 545915, 681728, 852160, 873464, 1091830, 1704320, 1746928, 2183660, 3408640, 3493856, 4367320, 6987712, 8734640, 13975424, 17469280, 27950848, 34938560, 69877120, 139754240]

約数ペア:

[(1, 139754240), (2, 69877120), (4, 34938560), (5, 27950848), (8, 17469280), (10, 13975424), (16, 8734640), (20, 6987712), (32, 4367320), (40, 3493856), (41, 3408640), (64, 2183660), (80, 1746928), (82, 1704320), (128, 1091830), (160, 873464), (164, 852160), (205, 681728), (256, 545915), (320, 436732), (328, 426080), (410, 340864), (640, 218366), (656, 213040), (820, 170432), (1280, 109183), (1312, 106520), (1640, 85216), (2624, 53260), (2663, 52480), (3280, 42608), (5248, 26630), (5326, 26240), (6560, 21304), (10496, 13315), (10652, 13120)]