39650390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 41997610

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 89, 115, 130, 149, 178, 230, 298, 299, 445, 598, 745, 890, 1157, 1490, 1495, 1937, 2047, 2314, 2990, 3427, 3874, 4094, 5785, 6854, 9685, 10235, 11570, 13261, 17135, 19370, 20470, 26522, 26611, 34270, 44551, 53222, 66305, 89102, 132610, 133055, 172393, 222755, 266110, 305003, 344786, 445510, 610006, 861965, 1525015, 1723930, 3050030, 3965039, 7930078, 19825195, 39650390]

約数ペア:

[(1, 39650390), (2, 19825195), (5, 7930078), (10, 3965039), (13, 3050030), (23, 1723930), (26, 1525015), (46, 861965), (65, 610006), (89, 445510), (115, 344786), (130, 305003), (149, 266110), (178, 222755), (230, 172393), (298, 133055), (299, 132610), (445, 89102), (598, 66305), (745, 53222), (890, 44551), (1157, 34270), (1490, 26611), (1495, 26522), (1937, 20470), (2047, 19370), (2314, 17135), (2990, 13261), (3427, 11570), (3874, 10235), (4094, 9685), (5785, 6854)]