25977900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6691

約数の個数: 72

約数和(自身を含む): 80956624

約数和(自身を除く): 54978724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 6661, 13322, 19983, 26644, 33305, 39966, 66610, 79932, 86593, 99915, 133220, 166525, 173186, 199830, 259779, 333050, 346372, 399660, 432965, 499575, 519558, 666100, 865930, 999150, 1039116, 1298895, 1731860, 1998300, 2164825, 2597790, 4329650, 5195580, 6494475, 8659300, 12988950, 25977900]

約数ペア:

[(1, 25977900), (2, 12988950), (3, 8659300), (4, 6494475), (5, 5195580), (6, 4329650), (10, 2597790), (12, 2164825), (13, 1998300), (15, 1731860), (20, 1298895), (25, 1039116), (26, 999150), (30, 865930), (39, 666100), (50, 519558), (52, 499575), (60, 432965), (65, 399660), (75, 346372), (78, 333050), (100, 259779), (130, 199830), (150, 173186), (156, 166525), (195, 133220), (260, 99915), (300, 86593), (325, 79932), (390, 66610), (650, 39966), (780, 33305), (975, 26644), (1300, 19983), (1950, 13322), (3900, 6661)]