25199820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139999}}^1$

素因数の和:140014

約数の個数: 36

約数和(自身を含む): 76440000

約数和(自身を除く): 51240180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 139999, 279998, 419997, 559996, 699995, 839994, 1259991, 1399990, 1679988, 2099985, 2519982, 2799980, 4199970, 5039964, 6299955, 8399940, 12599910, 25199820]

約数ペア:

[(1, 25199820), (2, 12599910), (3, 8399940), (4, 6299955), (5, 5039964), (6, 4199970), (9, 2799980), (10, 2519982), (12, 2099985), (15, 1679988), (18, 1399990), (20, 1259991), (30, 839994), (36, 699995), (45, 559996), (60, 419997), (90, 279998), (180, 139999)]