2019910880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971111}}^1$

素因数の和:971139

約数の個数: 48

約数和(自身を含む): 5139124704

約数和(自身を除く): 3119213824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 971111, 1942222, 3884444, 4855555, 7768888, 9711110, 12624443, 15537776, 19422220, 25248886, 31075552, 38844440, 50497772, 63122215, 77688880, 100995544, 126244430, 155377760, 201991088, 252488860, 403982176, 504977720, 1009955440, 2019910880]

約数ペア:

[(1, 2019910880), (2, 1009955440), (4, 504977720), (5, 403982176), (8, 252488860), (10, 201991088), (13, 155377760), (16, 126244430), (20, 100995544), (26, 77688880), (32, 63122215), (40, 50497772), (52, 38844440), (65, 31075552), (80, 25248886), (104, 19422220), (130, 15537776), (160, 12624443), (208, 9711110), (260, 7768888), (416, 4855555), (520, 3884444), (1040, 1942222), (2080, 971111)]