25008004

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 27085436

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 101, 148, 202, 239, 259, 404, 478, 518, 707, 956, 1036, 1414, 1673, 2828, 3346, 3737, 6692, 7474, 8843, 14948, 17686, 24139, 26159, 35372, 48278, 52318, 61901, 96556, 104636, 123802, 168973, 247604, 337946, 675892, 893143, 1786286, 3572572, 6252001, 12504002, 25008004]

約数ペア:

[(1, 25008004), (2, 12504002), (4, 6252001), (7, 3572572), (14, 1786286), (28, 893143), (37, 675892), (74, 337946), (101, 247604), (148, 168973), (202, 123802), (239, 104636), (259, 96556), (404, 61901), (478, 52318), (518, 48278), (707, 35372), (956, 26159), (1036, 24139), (1414, 17686), (1673, 14948), (2828, 8843), (3346, 7474), (3737, 6692)]