200717560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{161869}}^1$

素因数の和:161911

約数の個数: 32

約数和(自身を含む): 466185600

約数和(自身を除く): 265468040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 161869, 323738, 647476, 809345, 1294952, 1618690, 3237380, 5017939, 6474760, 10035878, 20071756, 25089695, 40143512, 50179390, 100358780, 200717560]

約数ペア:

[(1, 200717560), (2, 100358780), (4, 50179390), (5, 40143512), (8, 25089695), (10, 20071756), (20, 10035878), (31, 6474760), (40, 5017939), (62, 3237380), (124, 1618690), (155, 1294952), (248, 809345), (310, 647476), (620, 323738), (1240, 161869)]