66512800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1262

約数の個数: 72

約数和(自身を含む): 164801952

約数和(自身を除く): 98289152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1171, 1420, 1775, 2272, 2342, 2840, 3550, 4684, 5680, 5855, 7100, 9368, 11360, 11710, 14200, 18736, 23420, 28400, 29275, 37472, 46840, 56800, 58550, 83141, 93680, 117100, 166282, 187360, 234200, 332564, 415705, 468400, 665128, 831410, 936800, 1330256, 1662820, 2078525, 2660512, 3325640, 4157050, 6651280, 8314100, 13302560, 16628200, 33256400, 66512800]

約数ペア:

[(1, 66512800), (2, 33256400), (4, 16628200), (5, 13302560), (8, 8314100), (10, 6651280), (16, 4157050), (20, 3325640), (25, 2660512), (32, 2078525), (40, 1662820), (50, 1330256), (71, 936800), (80, 831410), (100, 665128), (142, 468400), (160, 415705), (200, 332564), (284, 234200), (355, 187360), (400, 166282), (568, 117100), (710, 93680), (800, 83141), (1136, 58550), (1171, 56800), (1420, 46840), (1775, 37472), (2272, 29275), (2342, 28400), (2840, 23420), (3550, 18736), (4684, 14200), (5680, 11710), (5855, 11360), (7100, 9368)]