205820480

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9059}}^1$

素因数の和:9147

約数の個数: 56

約数和(自身を含む): 497067840

約数和(自身を除く): 291247360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9059, 11360, 18118, 22720, 36236, 45295, 72472, 90590, 144944, 181180, 289888, 362360, 579776, 643189, 724720, 1286378, 1449440, 2572756, 2898880, 3215945, 5145512, 6431890, 10291024, 12863780, 20582048, 25727560, 41164096, 51455120, 102910240, 205820480]

約数ペア:

[(1, 205820480), (2, 102910240), (4, 51455120), (5, 41164096), (8, 25727560), (10, 20582048), (16, 12863780), (20, 10291024), (32, 6431890), (40, 5145512), (64, 3215945), (71, 2898880), (80, 2572756), (142, 1449440), (160, 1286378), (284, 724720), (320, 643189), (355, 579776), (568, 362360), (710, 289888), (1136, 181180), (1420, 144944), (2272, 90590), (2840, 72472), (4544, 45295), (5680, 36236), (9059, 22720), (11360, 18118)]