87696640

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 212069088

約数和(自身を除く): 124372448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 523, 524, 640, 655, 1046, 1048, 1280, 1310, 2092, 2096, 2615, 2620, 4184, 4192, 5230, 5240, 8368, 8384, 10460, 10480, 16736, 16768, 20920, 20960, 33472, 33536, 41840, 41920, 66944, 68513, 83680, 83840, 133888, 137026, 167360, 167680, 274052, 334720, 342565, 548104, 669440, 685130, 1096208, 1370260, 2192416, 2740520, 4384832, 5481040, 8769664, 10962080, 17539328, 21924160, 43848320, 87696640]

約数ペア:

[(1, 87696640), (2, 43848320), (4, 21924160), (5, 17539328), (8, 10962080), (10, 8769664), (16, 5481040), (20, 4384832), (32, 2740520), (40, 2192416), (64, 1370260), (80, 1096208), (128, 685130), (131, 669440), (160, 548104), (256, 342565), (262, 334720), (320, 274052), (523, 167680), (524, 167360), (640, 137026), (655, 133888), (1046, 83840), (1048, 83680), (1280, 68513), (1310, 66944), (2092, 41920), (2096, 41840), (2615, 33536), (2620, 33472), (4184, 20960), (4192, 20920), (5230, 16768), (5240, 16736), (8368, 10480), (8384, 10460)]