26650520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 65862720

約数和(自身を除く): 39212200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 967, 1060, 1378, 1934, 2120, 2756, 3445, 3868, 4835, 5512, 6890, 7736, 9670, 12571, 13780, 19340, 25142, 27560, 38680, 50284, 51251, 62855, 100568, 102502, 125710, 205004, 251420, 256255, 410008, 502840, 512510, 666263, 1025020, 1332526, 2050040, 2665052, 3331315, 5330104, 6662630, 13325260, 26650520]

約数ペア:

[(1, 26650520), (2, 13325260), (4, 6662630), (5, 5330104), (8, 3331315), (10, 2665052), (13, 2050040), (20, 1332526), (26, 1025020), (40, 666263), (52, 512510), (53, 502840), (65, 410008), (104, 256255), (106, 251420), (130, 205004), (212, 125710), (260, 102502), (265, 100568), (424, 62855), (520, 51251), (530, 50284), (689, 38680), (967, 27560), (1060, 25142), (1378, 19340), (1934, 13780), (2120, 12571), (2756, 9670), (3445, 7736), (3868, 6890), (4835, 5512)]