8328880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 14169680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 139, 140, 214, 278, 280, 428, 535, 556, 560, 695, 749, 856, 973, 1070, 1112, 1390, 1498, 1712, 1946, 2140, 2224, 2780, 2996, 3745, 3892, 4280, 4865, 5560, 5992, 7490, 7784, 8560, 9730, 11120, 11984, 14873, 14980, 15568, 19460, 29746, 29960, 38920, 59492, 59920, 74365, 77840, 104111, 118984, 148730, 208222, 237968, 297460, 416444, 520555, 594920, 832888, 1041110, 1189840, 1665776, 2082220, 4164440, 8328880]

約数ペア:

[(1, 8328880), (2, 4164440), (4, 2082220), (5, 1665776), (7, 1189840), (8, 1041110), (10, 832888), (14, 594920), (16, 520555), (20, 416444), (28, 297460), (35, 237968), (40, 208222), (56, 148730), (70, 118984), (80, 104111), (107, 77840), (112, 74365), (139, 59920), (140, 59492), (214, 38920), (278, 29960), (280, 29746), (428, 19460), (535, 15568), (556, 14980), (560, 14873), (695, 11984), (749, 11120), (856, 9730), (973, 8560), (1070, 7784), (1112, 7490), (1390, 5992), (1498, 5560), (1712, 4865), (1946, 4280), (2140, 3892), (2224, 3745), (2780, 2996)]