204858880

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1927

約数の個数: 80

約数和(自身を含む): 502874064

約数和(自身を除く): 298015184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1280, 1376, 1720, 1861, 2560, 2752, 3440, 3722, 5504, 6880, 7444, 9305, 11008, 13760, 14888, 18610, 22016, 27520, 29776, 37220, 55040, 59552, 74440, 80023, 110080, 119104, 148880, 160046, 238208, 297760, 320092, 400115, 476416, 595520, 640184, 800230, 952832, 1191040, 1280368, 1600460, 2382080, 2560736, 3200920, 4764160, 5121472, 6401840, 10242944, 12803680, 20485888, 25607360, 40971776, 51214720, 102429440, 204858880]

約数ペア:

[(1, 204858880), (2, 102429440), (4, 51214720), (5, 40971776), (8, 25607360), (10, 20485888), (16, 12803680), (20, 10242944), (32, 6401840), (40, 5121472), (43, 4764160), (64, 3200920), (80, 2560736), (86, 2382080), (128, 1600460), (160, 1280368), (172, 1191040), (215, 952832), (256, 800230), (320, 640184), (344, 595520), (430, 476416), (512, 400115), (640, 320092), (688, 297760), (860, 238208), (1280, 160046), (1376, 148880), (1720, 119104), (1861, 110080), (2560, 80023), (2752, 74440), (3440, 59552), (3722, 55040), (5504, 37220), (6880, 29776), (7444, 27520), (9305, 22016), (11008, 18610), (13760, 14888)]