8679040

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 21150720

約数和(自身を除く): 12471680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 191, 284, 320, 355, 382, 568, 640, 710, 764, 955, 1136, 1420, 1528, 1910, 2272, 2840, 3056, 3820, 4544, 5680, 6112, 7640, 9088, 11360, 12224, 13561, 15280, 22720, 24448, 27122, 30560, 45440, 54244, 61120, 67805, 108488, 122240, 135610, 216976, 271220, 433952, 542440, 867904, 1084880, 1735808, 2169760, 4339520, 8679040]

約数ペア:

[(1, 8679040), (2, 4339520), (4, 2169760), (5, 1735808), (8, 1084880), (10, 867904), (16, 542440), (20, 433952), (32, 271220), (40, 216976), (64, 135610), (71, 122240), (80, 108488), (128, 67805), (142, 61120), (160, 54244), (191, 45440), (284, 30560), (320, 27122), (355, 24448), (382, 22720), (568, 15280), (640, 13561), (710, 12224), (764, 11360), (955, 9088), (1136, 7640), (1420, 6112), (1528, 5680), (1910, 4544), (2272, 3820), (2840, 3056)]