89025280

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 215086032

約数和(自身を除く): 126060752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 443, 628, 640, 785, 886, 1256, 1280, 1570, 1772, 2215, 2512, 3140, 3544, 4430, 5024, 6280, 7088, 8860, 10048, 12560, 14176, 17720, 20096, 25120, 28352, 35440, 40192, 50240, 56704, 69551, 70880, 100480, 113408, 139102, 141760, 200960, 278204, 283520, 347755, 556408, 567040, 695510, 1112816, 1391020, 2225632, 2782040, 4451264, 5564080, 8902528, 11128160, 17805056, 22256320, 44512640, 89025280]

約数ペア:

[(1, 89025280), (2, 44512640), (4, 22256320), (5, 17805056), (8, 11128160), (10, 8902528), (16, 5564080), (20, 4451264), (32, 2782040), (40, 2225632), (64, 1391020), (80, 1112816), (128, 695510), (157, 567040), (160, 556408), (256, 347755), (314, 283520), (320, 278204), (443, 200960), (628, 141760), (640, 139102), (785, 113408), (886, 100480), (1256, 70880), (1280, 69551), (1570, 56704), (1772, 50240), (2215, 40192), (2512, 35440), (3140, 28352), (3544, 25120), (4430, 20096), (5024, 17720), (6280, 14176), (7088, 12560), (8860, 10048)]