90509960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 210394800

約数和(自身を除く): 119884840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 229, 241, 328, 410, 458, 482, 820, 916, 964, 1145, 1205, 1640, 1832, 1928, 2290, 2410, 4580, 4820, 9160, 9389, 9640, 9881, 18778, 19762, 37556, 39524, 46945, 49405, 55189, 75112, 79048, 93890, 98810, 110378, 187780, 197620, 220756, 275945, 375560, 395240, 441512, 551890, 1103780, 2207560, 2262749, 4525498, 9050996, 11313745, 18101992, 22627490, 45254980, 90509960]

約数ペア:

[(1, 90509960), (2, 45254980), (4, 22627490), (5, 18101992), (8, 11313745), (10, 9050996), (20, 4525498), (40, 2262749), (41, 2207560), (82, 1103780), (164, 551890), (205, 441512), (229, 395240), (241, 375560), (328, 275945), (410, 220756), (458, 197620), (482, 187780), (820, 110378), (916, 98810), (964, 93890), (1145, 79048), (1205, 75112), (1640, 55189), (1832, 49405), (1928, 46945), (2290, 39524), (2410, 37556), (4580, 19762), (4820, 18778), (9160, 9881), (9389, 9640)]