2458480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 5803200

約数和(自身を除く): 3344720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 389, 395, 632, 778, 790, 1264, 1556, 1580, 1945, 3112, 3160, 3890, 6224, 6320, 7780, 15560, 30731, 31120, 61462, 122924, 153655, 245848, 307310, 491696, 614620, 1229240, 2458480]

約数ペア:

[(1, 2458480), (2, 1229240), (4, 614620), (5, 491696), (8, 307310), (10, 245848), (16, 153655), (20, 122924), (40, 61462), (79, 31120), (80, 30731), (158, 15560), (316, 7780), (389, 6320), (395, 6224), (632, 3890), (778, 3160), (790, 3112), (1264, 1945), (1556, 1580)]