5222240

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 12483072

約数和(自身を除く): 7260832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 257, 508, 514, 635, 1016, 1028, 1270, 1285, 2032, 2056, 2540, 2570, 4064, 4112, 5080, 5140, 8224, 10160, 10280, 20320, 20560, 32639, 41120, 65278, 130556, 163195, 261112, 326390, 522224, 652780, 1044448, 1305560, 2611120, 5222240]

約数ペア:

[(1, 5222240), (2, 2611120), (4, 1305560), (5, 1044448), (8, 652780), (10, 522224), (16, 326390), (20, 261112), (32, 163195), (40, 130556), (80, 65278), (127, 41120), (160, 32639), (254, 20560), (257, 20320), (508, 10280), (514, 10160), (635, 8224), (1016, 5140), (1028, 5080), (1270, 4112), (1285, 4064), (2032, 2570), (2056, 2540)]