25919640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71999}}^1$

素因数の和:72016

約数の個数: 48

約数和(自身を含む): 84240000

約数和(自身を除く): 58320360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 71999, 143998, 215997, 287996, 359995, 431994, 575992, 647991, 719990, 863988, 1079985, 1295982, 1439980, 1727976, 2159970, 2591964, 2879960, 3239955, 4319940, 5183928, 6479910, 8639880, 12959820, 25919640]

約数ペア:

[(1, 25919640), (2, 12959820), (3, 8639880), (4, 6479910), (5, 5183928), (6, 4319940), (8, 3239955), (9, 2879960), (10, 2591964), (12, 2159970), (15, 1727976), (18, 1439980), (20, 1295982), (24, 1079985), (30, 863988), (36, 719990), (40, 647991), (45, 575992), (60, 431994), (72, 359995), (90, 287996), (120, 215997), (180, 143998), (360, 71999)]