202065280

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 486380880

約数和(自身を除く): 284315600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 785, 1256, 1570, 2011, 2512, 3140, 4022, 5024, 6280, 8044, 10048, 10055, 12560, 16088, 20096, 20110, 25120, 32176, 40220, 50240, 64352, 80440, 100480, 128704, 160880, 257408, 315727, 321760, 631454, 643520, 1262908, 1287040, 1578635, 2525816, 3157270, 5051632, 6314540, 10103264, 12629080, 20206528, 25258160, 40413056, 50516320, 101032640, 202065280]

約数ペア:

[(1, 202065280), (2, 101032640), (4, 50516320), (5, 40413056), (8, 25258160), (10, 20206528), (16, 12629080), (20, 10103264), (32, 6314540), (40, 5051632), (64, 3157270), (80, 2525816), (128, 1578635), (157, 1287040), (160, 1262908), (314, 643520), (320, 631454), (628, 321760), (640, 315727), (785, 257408), (1256, 160880), (1570, 128704), (2011, 100480), (2512, 80440), (3140, 64352), (4022, 50240), (5024, 40220), (6280, 32176), (8044, 25120), (10048, 20110), (10055, 20096), (12560, 16088)]