26279820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20857}}^1$

素因数の和:20879

約数の個数: 72

約数和(自身を含む): 91107744

約数和(自身を除く): 64827924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20857, 41714, 62571, 83428, 104285, 125142, 145999, 187713, 208570, 250284, 291998, 312855, 375426, 417140, 437997, 583996, 625710, 729995, 750852, 875994, 938565, 1251420, 1313991, 1459990, 1751988, 1877130, 2189985, 2627982, 2919980, 3754260, 4379970, 5255964, 6569955, 8759940, 13139910, 26279820]

約数ペア:

[(1, 26279820), (2, 13139910), (3, 8759940), (4, 6569955), (5, 5255964), (6, 4379970), (7, 3754260), (9, 2919980), (10, 2627982), (12, 2189985), (14, 1877130), (15, 1751988), (18, 1459990), (20, 1313991), (21, 1251420), (28, 938565), (30, 875994), (35, 750852), (36, 729995), (42, 625710), (45, 583996), (60, 437997), (63, 417140), (70, 375426), (84, 312855), (90, 291998), (105, 250284), (126, 208570), (140, 187713), (180, 145999), (210, 125142), (252, 104285), (315, 83428), (420, 62571), (630, 41714), (1260, 20857)]