49712500

素因数分解:

$2^2\times 5^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 112539672

約数和(自身を除く): 62827172

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 97, 100, 125, 164, 194, 205, 250, 388, 410, 485, 500, 625, 820, 970, 1025, 1250, 1940, 2050, 2425, 2500, 3125, 3977, 4100, 4850, 5125, 6250, 7954, 9700, 10250, 12125, 12500, 15908, 19885, 20500, 24250, 25625, 39770, 48500, 51250, 60625, 79540, 99425, 102500, 121250, 128125, 198850, 242500, 256250, 303125, 397700, 497125, 512500, 606250, 994250, 1212500, 1988500, 2485625, 4971250, 9942500, 12428125, 24856250, 49712500]

約数ペア:

[(1, 49712500), (2, 24856250), (4, 12428125), (5, 9942500), (10, 4971250), (20, 2485625), (25, 1988500), (41, 1212500), (50, 994250), (82, 606250), (97, 512500), (100, 497125), (125, 397700), (164, 303125), (194, 256250), (205, 242500), (250, 198850), (388, 128125), (410, 121250), (485, 102500), (500, 99425), (625, 79540), (820, 60625), (970, 51250), (1025, 48500), (1250, 39770), (1940, 25625), (2050, 24250), (2425, 20500), (2500, 19885), (3125, 15908), (3977, 12500), (4100, 12125), (4850, 10250), (5125, 9700), (6250, 7954)]