28755520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3947

約数の個数: 56

約数和(自身を含む): 71469504

約数和(自身を除く): 42713984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 3907, 7360, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 89861, 125024, 156280, 179722, 250048, 312560, 359444, 449305, 625120, 718888, 898610, 1250240, 1437776, 1797220, 2875552, 3594440, 5751104, 7188880, 14377760, 28755520]

約数ペア:

[(1, 28755520), (2, 14377760), (4, 7188880), (5, 5751104), (8, 3594440), (10, 2875552), (16, 1797220), (20, 1437776), (23, 1250240), (32, 898610), (40, 718888), (46, 625120), (64, 449305), (80, 359444), (92, 312560), (115, 250048), (160, 179722), (184, 156280), (230, 125024), (320, 89861), (368, 78140), (460, 62512), (736, 39070), (920, 31256), (1472, 19535), (1840, 15628), (3680, 7814), (3907, 7360)]