2010995740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{18911}}^1$

素因数の和:19342

約数の個数: 48

約数和(自身を含む): 4559304960

約数和(自身を除く): 2548309220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 1636, 2045, 4090, 5317, 8180, 10634, 18911, 21268, 26585, 37822, 53170, 75644, 94555, 106340, 189110, 245843, 378220, 491686, 983372, 1229215, 2458430, 4916860, 7734599, 15469198, 30938396, 38672995, 77345990, 100549787, 154691980, 201099574, 402199148, 502748935, 1005497870, 2010995740]

約数ペア:

[(1, 2010995740), (2, 1005497870), (4, 502748935), (5, 402199148), (10, 201099574), (13, 154691980), (20, 100549787), (26, 77345990), (52, 38672995), (65, 30938396), (130, 15469198), (260, 7734599), (409, 4916860), (818, 2458430), (1636, 1229215), (2045, 983372), (4090, 491686), (5317, 378220), (8180, 245843), (10634, 189110), (18911, 106340), (21268, 94555), (26585, 75644), (37822, 53170)]