4887560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 11880000

約数和(自身を除く): 6992440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 109, 118, 152, 190, 218, 236, 295, 380, 436, 472, 545, 590, 760, 872, 1090, 1121, 1180, 2071, 2180, 2242, 2360, 4142, 4360, 4484, 5605, 6431, 8284, 8968, 10355, 11210, 12862, 16568, 20710, 22420, 25724, 32155, 41420, 44840, 51448, 64310, 82840, 122189, 128620, 244378, 257240, 488756, 610945, 977512, 1221890, 2443780, 4887560]

約数ペア:

[(1, 4887560), (2, 2443780), (4, 1221890), (5, 977512), (8, 610945), (10, 488756), (19, 257240), (20, 244378), (38, 128620), (40, 122189), (59, 82840), (76, 64310), (95, 51448), (109, 44840), (118, 41420), (152, 32155), (190, 25724), (218, 22420), (236, 20710), (295, 16568), (380, 12862), (436, 11210), (472, 10355), (545, 8968), (590, 8284), (760, 6431), (872, 5605), (1090, 4484), (1121, 4360), (1180, 4142), (2071, 2360), (2180, 2242)]