15678020135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{34747}}^1$

素因数の和:34895

約数の個数: 32

約数和(自身を含む): 20174966784

約数和(自身を除く): 4496946649

約数列:

[1, 5, 31, 41, 71, 155, 205, 355, 1271, 2201, 2911, 6355, 11005, 14555, 34747, 90241, 173735, 451205, 1077157, 1424627, 2467037, 5385785, 7123135, 12335185, 44163437, 76478147, 101148517, 220817185, 382390735, 505742585, 3135604027, 15678020135]

約数ペア:

[(1, 15678020135), (5, 3135604027), (31, 505742585), (41, 382390735), (71, 220817185), (155, 101148517), (205, 76478147), (355, 44163437), (1271, 12335185), (2201, 7123135), (2911, 5385785), (6355, 2467037), (11005, 1424627), (14555, 1077157), (34747, 451205), (90241, 173735)]