25315640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3931}}^1$

素因数の和:3972

約数の個数: 64

約数和(自身を含む): 67944960

約数和(自身を除く): 42629320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 3931, 6440, 7862, 15724, 19655, 27517, 31448, 39310, 55034, 78620, 90413, 110068, 137585, 157240, 180826, 220136, 275170, 361652, 452065, 550340, 632891, 723304, 904130, 1100680, 1265782, 1808260, 2531564, 3164455, 3616520, 5063128, 6328910, 12657820, 25315640]

約数ペア:

[(1, 25315640), (2, 12657820), (4, 6328910), (5, 5063128), (7, 3616520), (8, 3164455), (10, 2531564), (14, 1808260), (20, 1265782), (23, 1100680), (28, 904130), (35, 723304), (40, 632891), (46, 550340), (56, 452065), (70, 361652), (92, 275170), (115, 220136), (140, 180826), (161, 157240), (184, 137585), (230, 110068), (280, 90413), (322, 78620), (460, 55034), (644, 39310), (805, 31448), (920, 27517), (1288, 19655), (1610, 15724), (3220, 7862), (3931, 6440)]