49405000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 119071260

約数和(自身を除く): 69666260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 241, 250, 328, 410, 482, 500, 625, 820, 964, 1000, 1025, 1205, 1250, 1640, 1928, 2050, 2410, 2500, 4100, 4820, 5000, 5125, 6025, 8200, 9640, 9881, 10250, 12050, 19762, 20500, 24100, 25625, 30125, 39524, 41000, 48200, 49405, 51250, 60250, 79048, 98810, 102500, 120500, 150625, 197620, 205000, 241000, 247025, 301250, 395240, 494050, 602500, 988100, 1205000, 1235125, 1976200, 2470250, 4940500, 6175625, 9881000, 12351250, 24702500, 49405000]

約数ペア:

[(1, 49405000), (2, 24702500), (4, 12351250), (5, 9881000), (8, 6175625), (10, 4940500), (20, 2470250), (25, 1976200), (40, 1235125), (41, 1205000), (50, 988100), (82, 602500), (100, 494050), (125, 395240), (164, 301250), (200, 247025), (205, 241000), (241, 205000), (250, 197620), (328, 150625), (410, 120500), (482, 102500), (500, 98810), (625, 79048), (820, 60250), (964, 51250), (1000, 49405), (1025, 48200), (1205, 41000), (1250, 39524), (1640, 30125), (1928, 25625), (2050, 24100), (2410, 20500), (2500, 19762), (4100, 12050), (4820, 10250), (5000, 9881), (5125, 9640), (6025, 8200)]