80954080

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 201398400

約数和(自身を除く): 120444320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 73, 80, 116, 145, 146, 160, 232, 239, 290, 292, 365, 464, 478, 580, 584, 730, 928, 956, 1160, 1168, 1195, 1460, 1912, 2117, 2320, 2336, 2390, 2920, 3824, 4234, 4640, 4780, 5840, 6931, 7648, 8468, 9560, 10585, 11680, 13862, 16936, 17447, 19120, 21170, 27724, 33872, 34655, 34894, 38240, 42340, 55448, 67744, 69310, 69788, 84680, 87235, 110896, 138620, 139576, 169360, 174470, 221792, 277240, 279152, 338720, 348940, 505963, 554480, 558304, 697880, 1011926, 1108960, 1395760, 2023852, 2529815, 2791520, 4047704, 5059630, 8095408, 10119260, 16190816, 20238520, 40477040, 80954080]

約数ペア:

[(1, 80954080), (2, 40477040), (4, 20238520), (5, 16190816), (8, 10119260), (10, 8095408), (16, 5059630), (20, 4047704), (29, 2791520), (32, 2529815), (40, 2023852), (58, 1395760), (73, 1108960), (80, 1011926), (116, 697880), (145, 558304), (146, 554480), (160, 505963), (232, 348940), (239, 338720), (290, 279152), (292, 277240), (365, 221792), (464, 174470), (478, 169360), (580, 139576), (584, 138620), (730, 110896), (928, 87235), (956, 84680), (1160, 69788), (1168, 69310), (1195, 67744), (1460, 55448), (1912, 42340), (2117, 38240), (2320, 34894), (2336, 34655), (2390, 33872), (2920, 27724), (3824, 21170), (4234, 19120), (4640, 17447), (4780, 16936), (5840, 13862), (6931, 11680), (7648, 10585), (8468, 9560)]