25141480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6907}}^1$

素因数の和:6938

約数の個数: 64

約数和(自身を含む): 69632640

約数和(自身を除く): 44491160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 6907, 13814, 27628, 34535, 48349, 55256, 69070, 89791, 96698, 138140, 179582, 193396, 241745, 276280, 359164, 386792, 448955, 483490, 628537, 718328, 897910, 966980, 1257074, 1795820, 1933960, 2514148, 3142685, 3591640, 5028296, 6285370, 12570740, 25141480]

約数ペア:

[(1, 25141480), (2, 12570740), (4, 6285370), (5, 5028296), (7, 3591640), (8, 3142685), (10, 2514148), (13, 1933960), (14, 1795820), (20, 1257074), (26, 966980), (28, 897910), (35, 718328), (40, 628537), (52, 483490), (56, 448955), (65, 386792), (70, 359164), (91, 276280), (104, 241745), (130, 193396), (140, 179582), (182, 138140), (260, 96698), (280, 89791), (364, 69070), (455, 55256), (520, 48349), (728, 34535), (910, 27628), (1820, 13814), (3640, 6907)]