40649835

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 32340885

約数列:

[1, 3, 5, 15, 19, 31, 43, 57, 93, 95, 107, 129, 155, 215, 285, 321, 465, 535, 589, 645, 817, 1333, 1605, 1767, 2033, 2451, 2945, 3317, 3999, 4085, 4601, 6099, 6665, 8835, 9951, 10165, 12255, 13803, 16585, 19995, 23005, 25327, 30495, 49755, 63023, 69015, 75981, 87419, 126635, 142631, 189069, 262257, 315115, 379905, 427893, 437095, 713155, 945345, 1311285, 2139465, 2709989, 8129967, 13549945, 40649835]

約数ペア:

[(1, 40649835), (3, 13549945), (5, 8129967), (15, 2709989), (19, 2139465), (31, 1311285), (43, 945345), (57, 713155), (93, 437095), (95, 427893), (107, 379905), (129, 315115), (155, 262257), (215, 189069), (285, 142631), (321, 126635), (465, 87419), (535, 75981), (589, 69015), (645, 63023), (817, 49755), (1333, 30495), (1605, 25327), (1767, 23005), (2033, 19995), (2451, 16585), (2945, 13803), (3317, 12255), (3999, 10165), (4085, 9951), (4601, 8835), (6099, 6665)]