89555560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 211610880

約数和(自身を除く): 122055320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 311, 313, 460, 622, 626, 920, 1244, 1252, 1555, 1565, 2488, 2504, 3110, 3130, 6220, 6260, 7153, 7199, 12440, 12520, 14306, 14398, 28612, 28796, 35765, 35995, 57224, 57592, 71530, 71990, 97343, 143060, 143980, 194686, 286120, 287960, 389372, 486715, 778744, 973430, 1946860, 2238889, 3893720, 4477778, 8955556, 11194445, 17911112, 22388890, 44777780, 89555560]

約数ペア:

[(1, 89555560), (2, 44777780), (4, 22388890), (5, 17911112), (8, 11194445), (10, 8955556), (20, 4477778), (23, 3893720), (40, 2238889), (46, 1946860), (92, 973430), (115, 778744), (184, 486715), (230, 389372), (311, 287960), (313, 286120), (460, 194686), (622, 143980), (626, 143060), (920, 97343), (1244, 71990), (1252, 71530), (1555, 57592), (1565, 57224), (2488, 35995), (2504, 35765), (3110, 28796), (3130, 28612), (6220, 14398), (6260, 14306), (7153, 12520), (7199, 12440)]