25898900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 60725280

約数和(自身を除く): 34826380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 317, 380, 430, 475, 634, 817, 860, 950, 1075, 1268, 1585, 1634, 1900, 2150, 3170, 3268, 4085, 4300, 6023, 6340, 7925, 8170, 12046, 13631, 15850, 16340, 20425, 24092, 27262, 30115, 31700, 40850, 54524, 60230, 68155, 81700, 120460, 136310, 150575, 258989, 272620, 301150, 340775, 517978, 602300, 681550, 1035956, 1294945, 1363100, 2589890, 5179780, 6474725, 12949450, 25898900]

約数ペア:

[(1, 25898900), (2, 12949450), (4, 6474725), (5, 5179780), (10, 2589890), (19, 1363100), (20, 1294945), (25, 1035956), (38, 681550), (43, 602300), (50, 517978), (76, 340775), (86, 301150), (95, 272620), (100, 258989), (172, 150575), (190, 136310), (215, 120460), (317, 81700), (380, 68155), (430, 60230), (475, 54524), (634, 40850), (817, 31700), (860, 30115), (950, 27262), (1075, 24092), (1268, 20425), (1585, 16340), (1634, 15850), (1900, 13631), (2150, 12046), (3170, 8170), (3268, 7925), (4085, 6340), (4300, 6023)]