26639880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{221999}}^1$

素因数の和:222013

約数の個数: 32

約数和(自身を含む): 79920000

約数和(自身を除く): 53280120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 221999, 443998, 665997, 887996, 1109995, 1331994, 1775992, 2219990, 2663988, 3329985, 4439980, 5327976, 6659970, 8879960, 13319940, 26639880]

約数ペア:

[(1, 26639880), (2, 13319940), (3, 8879960), (4, 6659970), (5, 5327976), (6, 4439980), (8, 3329985), (10, 2663988), (12, 2219990), (15, 1775992), (20, 1331994), (24, 1109995), (30, 887996), (40, 665997), (60, 443998), (120, 221999)]