39888080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12161}}^1$

素因数の和:12215

約数の個数: 40

約数和(自身を含む): 95009544

約数和(自身を除く): 55121464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12161, 24322, 48644, 60805, 97288, 121610, 194576, 243220, 486440, 498601, 972880, 997202, 1994404, 2493005, 3988808, 4986010, 7977616, 9972020, 19944040, 39888080]

約数ペア:

[(1, 39888080), (2, 19944040), (4, 9972020), (5, 7977616), (8, 4986010), (10, 3988808), (16, 2493005), (20, 1994404), (40, 997202), (41, 972880), (80, 498601), (82, 486440), (164, 243220), (205, 194576), (328, 121610), (410, 97288), (656, 60805), (820, 48644), (1640, 24322), (3280, 12161)]