205551040

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15667}}^1$

素因数の和:15725

約数の個数: 56

約数和(自身を含む): 501438672

約数和(自身を除く): 295887632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 15667, 31334, 62668, 78335, 125336, 156670, 250672, 313340, 501344, 626680, 642347, 1002688, 1253360, 1284694, 2506720, 2569388, 3211735, 5013440, 5138776, 6423470, 10277552, 12846940, 20555104, 25693880, 41110208, 51387760, 102775520, 205551040]

約数ペア:

[(1, 205551040), (2, 102775520), (4, 51387760), (5, 41110208), (8, 25693880), (10, 20555104), (16, 12846940), (20, 10277552), (32, 6423470), (40, 5138776), (41, 5013440), (64, 3211735), (80, 2569388), (82, 2506720), (160, 1284694), (164, 1253360), (205, 1002688), (320, 642347), (328, 626680), (410, 501344), (656, 313340), (820, 250672), (1312, 156670), (1640, 125336), (2624, 78335), (3280, 62668), (6560, 31334), (13120, 15667)]