394531520

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30071}}^1$

素因数の和:30129

約数の個数: 56

約数和(自身を含む): 962424288

約数和(自身を除く): 567892768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 30071, 60142, 120284, 150355, 240568, 300710, 481136, 601420, 962272, 1202840, 1232911, 1924544, 2405680, 2465822, 4811360, 4931644, 6164555, 9622720, 9863288, 12329110, 19726576, 24658220, 39453152, 49316440, 78906304, 98632880, 197265760, 394531520]

約数ペア:

[(1, 394531520), (2, 197265760), (4, 98632880), (5, 78906304), (8, 49316440), (10, 39453152), (16, 24658220), (20, 19726576), (32, 12329110), (40, 9863288), (41, 9622720), (64, 6164555), (80, 4931644), (82, 4811360), (160, 2465822), (164, 2405680), (205, 1924544), (320, 1232911), (328, 1202840), (410, 962272), (656, 601420), (820, 481136), (1312, 300710), (1640, 240568), (2624, 150355), (3280, 120284), (6560, 60142), (13120, 30071)]