1275792080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{388961}}^1$

素因数の和:389015

約数の個数: 40

約数和(自身を含む): 3038571144

約数和(自身を除く): 1762779064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 388961, 777922, 1555844, 1944805, 3111688, 3889610, 6223376, 7779220, 15558440, 15947401, 31116880, 31894802, 63789604, 79737005, 127579208, 159474010, 255158416, 318948020, 637896040, 1275792080]

約数ペア:

[(1, 1275792080), (2, 637896040), (4, 318948020), (5, 255158416), (8, 159474010), (10, 127579208), (16, 79737005), (20, 63789604), (40, 31894802), (41, 31116880), (80, 15947401), (82, 15558440), (164, 7779220), (205, 6223376), (328, 3889610), (410, 3111688), (656, 1944805), (820, 1555844), (1640, 777922), (3280, 388961)]