50458280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 116899200

約数和(自身を除く): 66440920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 109, 142, 163, 218, 284, 326, 355, 436, 545, 568, 652, 710, 815, 872, 1090, 1304, 1420, 1630, 2180, 2840, 3260, 4360, 6520, 7739, 11573, 15478, 17767, 23146, 30956, 35534, 38695, 46292, 57865, 61912, 71068, 77390, 88835, 92584, 115730, 142136, 154780, 177670, 231460, 309560, 355340, 462920, 710680, 1261457, 2522914, 5045828, 6307285, 10091656, 12614570, 25229140, 50458280]

約数ペア:

[(1, 50458280), (2, 25229140), (4, 12614570), (5, 10091656), (8, 6307285), (10, 5045828), (20, 2522914), (40, 1261457), (71, 710680), (109, 462920), (142, 355340), (163, 309560), (218, 231460), (284, 177670), (326, 154780), (355, 142136), (436, 115730), (545, 92584), (568, 88835), (652, 77390), (710, 71068), (815, 61912), (872, 57865), (1090, 46292), (1304, 38695), (1420, 35534), (1630, 30956), (2180, 23146), (2840, 17767), (3260, 15478), (4360, 11573), (6520, 7739)]