8028440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 21072960

約数和(自身を除く): 13044520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 541, 742, 1060, 1082, 1484, 1855, 2120, 2164, 2705, 2968, 3710, 3787, 4328, 5410, 7420, 7574, 10820, 14840, 15148, 18935, 21640, 28673, 30296, 37870, 57346, 75740, 114692, 143365, 151480, 200711, 229384, 286730, 401422, 573460, 802844, 1003555, 1146920, 1605688, 2007110, 4014220, 8028440]

約数ペア:

[(1, 8028440), (2, 4014220), (4, 2007110), (5, 1605688), (7, 1146920), (8, 1003555), (10, 802844), (14, 573460), (20, 401422), (28, 286730), (35, 229384), (40, 200711), (53, 151480), (56, 143365), (70, 114692), (106, 75740), (140, 57346), (212, 37870), (265, 30296), (280, 28673), (371, 21640), (424, 18935), (530, 15148), (541, 14840), (742, 10820), (1060, 7574), (1082, 7420), (1484, 5410), (1855, 4328), (2120, 3787), (2164, 3710), (2705, 2968)]