13070840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 17894920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 127, 155, 166, 248, 254, 310, 332, 415, 508, 620, 635, 664, 830, 1016, 1240, 1270, 1660, 2540, 2573, 3320, 3937, 5080, 5146, 7874, 10292, 10541, 12865, 15748, 19685, 20584, 21082, 25730, 31496, 39370, 42164, 51460, 52705, 78740, 84328, 102920, 105410, 157480, 210820, 326771, 421640, 653542, 1307084, 1633855, 2614168, 3267710, 6535420, 13070840]

約数ペア:

[(1, 13070840), (2, 6535420), (4, 3267710), (5, 2614168), (8, 1633855), (10, 1307084), (20, 653542), (31, 421640), (40, 326771), (62, 210820), (83, 157480), (124, 105410), (127, 102920), (155, 84328), (166, 78740), (248, 52705), (254, 51460), (310, 42164), (332, 39370), (415, 31496), (508, 25730), (620, 21082), (635, 20584), (664, 19685), (830, 15748), (1016, 12865), (1240, 10541), (1270, 10292), (1660, 7874), (2540, 5146), (2573, 5080), (3320, 3937)]