103777760

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1321}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 245860272

約数和(自身を除く): 142082512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1321, 1964, 2455, 2642, 3928, 4910, 5284, 6605, 7856, 9820, 10568, 13210, 15712, 19640, 21136, 26420, 39280, 42272, 52840, 78560, 105680, 211360, 648611, 1297222, 2594444, 3243055, 5188888, 6486110, 10377776, 12972220, 20755552, 25944440, 51888880, 103777760]

約数ペア:

[(1, 103777760), (2, 51888880), (4, 25944440), (5, 20755552), (8, 12972220), (10, 10377776), (16, 6486110), (20, 5188888), (32, 3243055), (40, 2594444), (80, 1297222), (160, 648611), (491, 211360), (982, 105680), (1321, 78560), (1964, 52840), (2455, 42272), (2642, 39280), (3928, 26420), (4910, 21136), (5284, 19640), (6605, 15712), (7856, 13210), (9820, 10568)]