200719280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{41131}}^1$

素因数の和:41205

約数の個数: 40

約数和(自身を含む): 474334224

約数和(自身を除く): 273614944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 41131, 82262, 164524, 205655, 329048, 411310, 658096, 822620, 1645240, 2508991, 3290480, 5017982, 10035964, 12544955, 20071928, 25089910, 40143856, 50179820, 100359640, 200719280]

約数ペア:

[(1, 200719280), (2, 100359640), (4, 50179820), (5, 40143856), (8, 25089910), (10, 20071928), (16, 12544955), (20, 10035964), (40, 5017982), (61, 3290480), (80, 2508991), (122, 1645240), (244, 822620), (305, 658096), (488, 411310), (610, 329048), (976, 205655), (1220, 164524), (2440, 82262), (4880, 41131)]