8193640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1$

素因数の和:2282

約数の個数: 64

約数和(自身を含む): 22700160

約数和(自身を除く): 14506520

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, 2251, 3640, 4502, 9004, 11255, 15757, 18008, 22510, 29263, 31514, 45020, 58526, 63028, 78785, 90040, 117052, 126056, 146315, 157570, 204841, 234104, 292630, 315140, 409682, 585260, 630280, 819364, 1024205, 1170520, 1638728, 2048410, 4096820, 8193640]

約数ペア:

[(1, 8193640), (2, 4096820), (4, 2048410), (5, 1638728), (7, 1170520), (8, 1024205), (10, 819364), (13, 630280), (14, 585260), (20, 409682), (26, 315140), (28, 292630), (35, 234104), (40, 204841), (52, 157570), (56, 146315), (65, 126056), (70, 117052), (91, 90040), (104, 78785), (130, 63028), (140, 58526), (182, 45020), (260, 31514), (280, 29263), (364, 22510), (455, 18008), (520, 15757), (728, 11255), (910, 9004), (1820, 4502), (2251, 3640)]