25755680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{557}}^1$

素因数の和:606

約数の個数: 72

約数和(自身を含む): 64753668

約数和(自身を除く): 38997988

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 557, 578, 680, 1114, 1156, 1360, 1445, 2228, 2312, 2720, 2785, 2890, 4456, 4624, 5570, 5780, 8912, 9248, 9469, 11140, 11560, 17824, 18938, 22280, 23120, 37876, 44560, 46240, 47345, 75752, 89120, 94690, 151504, 160973, 189380, 303008, 321946, 378760, 643892, 757520, 804865, 1287784, 1515040, 1609730, 2575568, 3219460, 5151136, 6438920, 12877840, 25755680]

約数ペア:

[(1, 25755680), (2, 12877840), (4, 6438920), (5, 5151136), (8, 3219460), (10, 2575568), (16, 1609730), (17, 1515040), (20, 1287784), (32, 804865), (34, 757520), (40, 643892), (68, 378760), (80, 321946), (85, 303008), (136, 189380), (160, 160973), (170, 151504), (272, 94690), (289, 89120), (340, 75752), (544, 47345), (557, 46240), (578, 44560), (680, 37876), (1114, 23120), (1156, 22280), (1360, 18938), (1445, 17824), (2228, 11560), (2312, 11140), (2720, 9469), (2785, 9248), (2890, 8912), (4456, 5780), (4624, 5570)]