205012480

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1587

約数の個数: 80

約数和(自身を含む): 501155424

約数和(自身を除く): 296142944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1060, 1280, 1511, 1696, 2120, 2560, 3022, 3392, 4240, 6044, 6784, 7555, 8480, 12088, 13568, 15110, 16960, 24176, 27136, 30220, 33920, 48352, 60440, 67840, 80083, 96704, 120880, 135680, 160166, 193408, 241760, 320332, 386816, 400415, 483520, 640664, 773632, 800830, 967040, 1281328, 1601660, 1934080, 2562656, 3203320, 3868160, 5125312, 6406640, 10250624, 12813280, 20501248, 25626560, 41002496, 51253120, 102506240, 205012480]

約数ペア:

[(1, 205012480), (2, 102506240), (4, 51253120), (5, 41002496), (8, 25626560), (10, 20501248), (16, 12813280), (20, 10250624), (32, 6406640), (40, 5125312), (53, 3868160), (64, 3203320), (80, 2562656), (106, 1934080), (128, 1601660), (160, 1281328), (212, 967040), (256, 800830), (265, 773632), (320, 640664), (424, 483520), (512, 400415), (530, 386816), (640, 320332), (848, 241760), (1060, 193408), (1280, 160166), (1511, 135680), (1696, 120880), (2120, 96704), (2560, 80083), (3022, 67840), (3392, 60440), (4240, 48352), (6044, 33920), (6784, 30220), (7555, 27136), (8480, 24176), (12088, 16960), (13568, 15110)]