25039840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 68705280

約数和(自身を除く): 43665440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 283, 316, 395, 553, 560, 566, 632, 790, 1106, 1120, 1132, 1264, 1415, 1580, 1981, 2212, 2264, 2528, 2765, 2830, 3160, 3962, 4424, 4528, 5530, 5660, 6320, 7924, 8848, 9056, 9905, 11060, 11320, 12640, 15848, 17696, 19810, 22120, 22357, 22640, 31696, 39620, 44240, 44714, 45280, 63392, 79240, 88480, 89428, 111785, 156499, 158480, 178856, 223570, 312998, 316960, 357712, 447140, 625996, 715424, 782495, 894280, 1251992, 1564990, 1788560, 2503984, 3129980, 3577120, 5007968, 6259960, 12519920, 25039840]

約数ペア:

[(1, 25039840), (2, 12519920), (4, 6259960), (5, 5007968), (7, 3577120), (8, 3129980), (10, 2503984), (14, 1788560), (16, 1564990), (20, 1251992), (28, 894280), (32, 782495), (35, 715424), (40, 625996), (56, 447140), (70, 357712), (79, 316960), (80, 312998), (112, 223570), (140, 178856), (158, 158480), (160, 156499), (224, 111785), (280, 89428), (283, 88480), (316, 79240), (395, 63392), (553, 45280), (560, 44714), (566, 44240), (632, 39620), (790, 31696), (1106, 22640), (1120, 22357), (1132, 22120), (1264, 19810), (1415, 17696), (1580, 15848), (1981, 12640), (2212, 11320), (2264, 11060), (2528, 9905), (2765, 9056), (2830, 8848), (3160, 7924), (3962, 6320), (4424, 5660), (4528, 5530)]