48995000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 118087200

約数和(自身を除く): 69092200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 239, 250, 328, 410, 478, 500, 625, 820, 956, 1000, 1025, 1195, 1250, 1640, 1912, 2050, 2390, 2500, 4100, 4780, 5000, 5125, 5975, 8200, 9560, 9799, 10250, 11950, 19598, 20500, 23900, 25625, 29875, 39196, 41000, 47800, 48995, 51250, 59750, 78392, 97990, 102500, 119500, 149375, 195980, 205000, 239000, 244975, 298750, 391960, 489950, 597500, 979900, 1195000, 1224875, 1959800, 2449750, 4899500, 6124375, 9799000, 12248750, 24497500, 48995000]

約数ペア:

[(1, 48995000), (2, 24497500), (4, 12248750), (5, 9799000), (8, 6124375), (10, 4899500), (20, 2449750), (25, 1959800), (40, 1224875), (41, 1195000), (50, 979900), (82, 597500), (100, 489950), (125, 391960), (164, 298750), (200, 244975), (205, 239000), (239, 205000), (250, 195980), (328, 149375), (410, 119500), (478, 102500), (500, 97990), (625, 78392), (820, 59750), (956, 51250), (1000, 48995), (1025, 47800), (1195, 41000), (1250, 39196), (1640, 29875), (1912, 25625), (2050, 23900), (2390, 20500), (2500, 19598), (4100, 11950), (4780, 10250), (5000, 9799), (5125, 9560), (5975, 8200)]