200087320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82003}}^1$

素因数の和:82075

約数の個数: 32

約数和(自身を含む): 457582320

約数和(自身を除く): 257495000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82003, 164006, 328012, 410015, 656024, 820030, 1640060, 3280120, 5002183, 10004366, 20008732, 25010915, 40017464, 50021830, 100043660, 200087320]

約数ペア:

[(1, 200087320), (2, 100043660), (4, 50021830), (5, 40017464), (8, 25010915), (10, 20008732), (20, 10004366), (40, 5002183), (61, 3280120), (122, 1640060), (244, 820030), (305, 656024), (488, 410015), (610, 328012), (1220, 164006), (2440, 82003)]