40703260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 93139200

約数和(自身を除く): 52435940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1759, 1780, 2314, 3518, 4628, 5785, 7036, 8795, 11570, 17590, 22867, 23140, 35180, 45734, 91468, 114335, 156551, 228670, 313102, 457340, 626204, 782755, 1565510, 2035163, 3131020, 4070326, 8140652, 10175815, 20351630, 40703260]

約数ペア:

[(1, 40703260), (2, 20351630), (4, 10175815), (5, 8140652), (10, 4070326), (13, 3131020), (20, 2035163), (26, 1565510), (52, 782755), (65, 626204), (89, 457340), (130, 313102), (178, 228670), (260, 156551), (356, 114335), (445, 91468), (890, 45734), (1157, 35180), (1759, 23140), (1780, 22867), (2314, 17590), (3518, 11570), (4628, 8795), (5785, 7036)]