68447320

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3163}}^1$

素因数の和:3715

約数の個数: 32

約数和(自身を含む): 154339920

約数和(自身を除く): 85892600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 3163, 4328, 5410, 6326, 10820, 12652, 15815, 21640, 25304, 31630, 63260, 126520, 1711183, 3422366, 6844732, 8555915, 13689464, 17111830, 34223660, 68447320]

約数ペア:

[(1, 68447320), (2, 34223660), (4, 17111830), (5, 13689464), (8, 8555915), (10, 6844732), (20, 3422366), (40, 1711183), (541, 126520), (1082, 63260), (2164, 31630), (2705, 25304), (3163, 21640), (4328, 15815), (5410, 12652), (6326, 10820)]