86849440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6871}}^1$

素因数の和:6965

約数の個数: 48

約数和(自身を含む): 207809280

約数和(自身を除く): 120959840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 6871, 12640, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 219872, 274840, 542809, 549680, 1085618, 1099360, 2171236, 2714045, 4342472, 5428090, 8684944, 10856180, 17369888, 21712360, 43424720, 86849440]

約数ペア:

[(1, 86849440), (2, 43424720), (4, 21712360), (5, 17369888), (8, 10856180), (10, 8684944), (16, 5428090), (20, 4342472), (32, 2714045), (40, 2171236), (79, 1099360), (80, 1085618), (158, 549680), (160, 542809), (316, 274840), (395, 219872), (632, 137420), (790, 109936), (1264, 68710), (1580, 54968), (2528, 34355), (3160, 27484), (6320, 13742), (6871, 12640)]